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levonorgestrel and ethinyl estradiol
Overview
What is CHATEAL?
21 white to off-white levonorgestrel and ethinyl estradiol tablets , each containing 0.15 mg of levonorgestrel, (d(-)-13 beta-ethyl-17-alpha-ethinyl-17-beta-hydroxygon-4-en-3-one), a totally synthetic progestogen, and 0.03 mg of ethinyl estradiol, (19-nor-17α -pregna-1,3,5 (10)-trien-20-yne-3,17-diol), and 7 green inert tablets. The inactive ingredients for white to off-white active tablets are Lactose monohydrate, Polacrilin Potassium, Magnesium Stearate. The inactive ingredients for green inert tablets are Lactose monohydrate, Polacrilin Potassium, Magnesium Stearate, yellow oxide of iron and FD&C Blue No.1 Aluminium lake.
What does CHATEAL look like?
What are the available doses of CHATEAL?
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What should I talk to my health care provider before I take CHATEAL?
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How should I use CHATEAL?
Oral contraceptives are indicated for the prevention of pregnancy in women who elect to use this product as a method of contraception.
Oral contraceptives are highly effective. Table I lists the typical accidental pregnancy rates for users of combination oral contraceptives and other methods of contraception. The efficacy of these contraceptive methods, except sterilization and the IUD, depends upon the reliability with which they are used. Correct and consistent use of methods can result in lower failure rates.
To achieve maximum contraceptive effectiveness, Chateal (levonorgestrel and ethinyl estradiol tablets, 0.15 mg/0.03 mg) must be taken exactly as directed and at intervals not exceeding 24 hours.
The dosage of Chateal is one white to off-white tablet daily for 21 consecutive days, followed by one green inert tablet daily for 7 consecutive days, according to prescribed schedule.
It is recommended that tablets be taken at the same time each day, preferably after the evening meal or at bedtime.
During the first cycle of medication, the patient is instructed to begin taking Chateal on the first Sunday after the onset of menstruation. If menstruation begins on a Sunday, the first tablet (white to off-white) is taken that day. One white to off-white tablet should be taken daily for 21 consecutive days, followed by one green inert tablet daily for 7 consecutive days. Withdrawal bleeding should usually occur within three days following discontinuation of white to off-white tablets and may not have finished before the next pack is started. During the first cycle, contraceptive reliance should not be placed on Chateal until a white to off-white tablet has been taken daily for 7 consecutive days and a nonhormonal back-up method of birth control should be used during those 7 days. The possibility of ovulation and conception prior to initiation of medication should be considered.
The patient begins her next and all subsequent 28-day courses of tablets on the same day of the week (Sunday) on which she began her first course, following the same schedule: 21 days on white to off-white tablets 7 days on green inert tablets. If in any cycle the patient starts tablets later than the proper day, she should protect herself by using another method of birth control until she has taken a white to off-white tablet daily for 7 consecutive days.
When the patient is switching from a 21-day regimen of tablets, she should wait 7 days after her last tablet before she starts Chateal. She will probably experience withdrawal bleeding during that week. She should be sure that no more than 7 days pass after her previous 21-day regimen. When the patient is switching from a 28-day regimen of tablets, she should start her first pack of Chateal on the day after her last tablet. She should not wait any days between packs. The patient may switch any day from a progestin-only pill and should begin Chateal the next day. If switching from an implant or injection, the patient should start Chateal on the day of implant removal or, if using an injection, the day the next injection would be due. In switching from a progestin-only pill, injection or implant, the patient should be advised to use a nonhormonal back-up method of birth control for the first 7 days of tablet-taking.
If spotting or breakthrough bleeding occurs, the patient is instructed to continue on the same regimen. This type of bleeding is usually transient and without significance; however, if the bleeding is persistent or prolonged, the patient is advised to consult her physician.
Although the occurrence of pregnancy is highly unlikely if Chateal is taken according to directions, if withdrawal bleeding does not occur, the possibility of pregnancy must be considered. If the patient has not adhered to the prescribed schedule (missed one or more tablets or started taking them on a day later than she should have), the probability of pregnancy should be considered at the time of the first missed period and appropriate diagnostic measures taken before the medication is resumed. If the patient has adhered to the prescribed regimen and misses two consecutive periods, pregnancy should be ruled out before continuing the contraceptive regimen.
For additional patient instructions regarding missed pills, see the section in the below.
Any time the patient misses two or more white to off-white tablets, she should also use another method of contraception until she has taken a white to off-white tablet daily for seven consecutive days. If the patient misses one or more green tablets, she is still protected against pregnancy provided she begins taking white to off-white tablets again on the proper day.
If breakthrough bleeding occurs following missed white to off-white tablets, it will usually be transient and of no consequence. While there is little likelihood of ovulation occurring if only one or two white to off-white tablets are missed, the possibility of ovulation increases with each successive day that scheduled white to off-white tablets are missed.
Chateal may be initiated no earlier than day 28 postpartum in the nonlactating mother or after a second-trimester abortion due to the increased risk for thromboembolism (see and ) concerning thromboembolic disease. The patient should be advised to use a nonhormonal back-up method for the first 7 days of tablet taking. However, if intercourse has already occurred, pregnancy should be excluded before the start of combined oral contraceptive use or the patient must wait for her first menstrual period.
In the case of first-trimester abortion, if the patient starts Chateal immediately, additional contraceptive measures are not needed. It is to be noted that early resumption of ovulation may occur if Parlodel (bromocriptine mesylate) has been used for the prevention of lactation.
What interacts with CHATEAL?
Combination oral contraceptives should not be used in women with any of the following conditions:
Thrombophlebitis or thromboembolic disorders.
A past history of deep-vein thrombophlebitis or thromboembolic disorders.
Cerebral-vascular or coronary-artery disease.
Thrombogenic valvulopathies.
Thrombogenic rhythm disorders.
Diabetes with vascular involvement.
Uncontrolled hypertension.
Known or suspected carcinoma of the breast.
Carcinoma of the endometrium or other known or suspected estrogen-dependent neoplasia.
Undiagnosed abnormal genital bleeding.
Cholestatic jaundice of pregnancy or jaundice with prior pill use.
Hepatic adenomas or carcinomas, or active liver disease, as long as liver function has not returned to normal.
Known or suspected pregnancy.
Hypersensitivity to any of the components of Chateal (Levonorgestrel and Ethinyl Estradiol Tablets, USP).
Are receiving Hepatitis C drug combinations containing ombitasvir/paritaprevir/ritonavir, with or without dasabuvir, due to the potential for ALT elevations (see Warnings,
What are the warnings of CHATEAL?
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Cigarette smoking increases the risk of serious cardiovascular side effects from oral-contraceptive use. This risk increases with age and with the extent of smoking (in epidemiologic studies, 15 or more cigarettes per day was associated with a significantly increased risk) and is quite marked in women over 35 years of age. Women who use oral contraceptives should be strongly advised not to smoke.
The use of oral contraceptives is associated with increased risks of several serious conditions including venous and arterial thrombotic and thromboembolic events (such as myocardial infarction, thromboembolism, and stroke), hepatic neoplasia, gallbladder disease, and hypertension, although the risk of serious morbidity or mortality is very small in healthy women without underlying risk factors. The risk of morbidity and mortality increases significantly in the presence of other underlying risk factors such as certain inherited or acquired thrombophilias, hypertension, hyperlipidemias, obesity, and diabetes.
Practitioners prescribing oral contraceptives should be familiar with the following information relating to these risks.
The information contained in this package insert is based principally on studies carried out in patients who used oral contraceptives with higher formulations of estrogens and progestogens than those in common use today. The effect of long-term use of the oral contraceptives with lower formulations of both estrogens and progestogens remains to be determined.
Throughout this labeling, epidemiological studies reported are of two types: retrospective or case control studies and prospective or cohort studies. Case control studies provide a measure of the relative risk of disease, namely, a ratio of the incidence of a disease among oral-contraceptive users to that among nonusers. The relative risk does not provide information on the actual clinical occurrence of a disease. Cohort studies provide a measure of attributable risk, which is the difference in the incidence of disease between oral-contraceptive users and nonusers. The attributable risk does provide information about the actual occurrence of a disease in the population. For further information, the reader is referred to a text on epidemiological methods.
1. Thromboembolic Disorders and Other Vascular Problems
a. Myocardial infarction
b. Thromboembolism
c. Cerebrovascular diseases
d. Dose-related risk of vascular disease from oral contraceptives
e. Persistence of risk of vascular disease
There are two studies which have shown persistence of risk of vascular disease for ever-users of oral contraceptives. In a study in the United States, the risk of developing myocardial infarction after discontinuing oral contraceptives persists for at least 9 years for women 40 to 49 years who had used oral contraceptives for five or more years, but this increased risk was not demonstrated in other age groups. In another study in Great Britain, the risk of developing cerebrovascular disease persisted for at least 6 years after discontinuation of oral contraceptives, although excess risk was very small. However, both studies were performed with oral contraceptive formulations containing 50 micrograms or higher of estrogens.
2. Estimate of Mortality From Contraceptive Use
One study gathered data from a variety of sources which have estimated the mortality rate associated with different methods of contraception at different ages (Table III). These estimates include the combined risk of death associated with contraceptive methods plus the risk attributable to pregnancy in the event of method failure. Each method of contraception has its specific benefits and risks. The study concluded that with the exception of oral-contraceptive users 35 and older who smoke and 40 and older who do not smoke, mortality associated with all methods of birth control is less than that associated with childbirth. The observation of a possible increase in risk of mortality with age for oral-contraceptive users is based on data gathered in the 1970's but not reported until 1983. However, current clinical practice involves the use of lower estrogen dose formulations combined with careful restriction of oral-contraceptive use to women who do not have the various risk factors listed in this labeling.
Because of these changes in practice and, also, because of some limited new data which suggest that the risk of cardiovascular disease with the use of oral contraceptives may now be less than previously observed, the Fertility and Maternal Health Drugs Advisory Committee was asked to review the topic in 1989. The Committee concluded that although cardiovascular-disease risks may be increased with oral-contraceptive use after age 40 in healthy nonsmoking women (even with the newer low-dose formulations), there are greater potential health risks associated with pregnancy in older women and with the alternative surgical and medical procedures which may be necessary if such women do not have access to effective and acceptable means of contraception.
Therefore, the Committee recommended that the benefits of oral-contraceptive use by healthy nonsmoking women over 40 may outweigh the possible risks. Of course, older women, as all women who take oral contraceptives, should take the lowest possible dose formulation that is effective.
| Adapted from H.W. Ory, Family Planning Perspectives, | ||||||
| a | ||||||
| Array | ||||||
| Method of control and outcome | 15 to 19 | 20 to 24 | 25 to 29 | 30 to 34 | 35 to 39 | 40 to 44 |
| No fertility- control methods | 7 | 7.4 | 9.1 | 14.8 | 25.7 | 28.2 |
| Oral contraceptives nonsmoker | 0.3 | 0.5 | 0.9 | 1.9 | 13.8 | 31.6 |
| Oral contraceptives smoker | 2.2 | 3.4 | 6.6 | 13.5 | 51.1 | 117.2 |
| IUD | 0.8 | 0.8 | 1 | 1 | 1.4 | 1.4 |
| Condom | 1.1 | 1.6 | 0.7 | 0.2 | 0.3 | 0.4 |
| Diaphragm/ spermicide | 1.9 | 1.2 | 1.2 | 1.3 | 2.2 | 2.8 |
| Periodic abstinence | 2.5 | 1.6 | 1.6 | 1.7 | 2.9 | 3.6 |
3. Carcinoma of The Reproductive Organs
A meta-analysis from 54 epidemiological studies reported that there is a slightly increased relative risk (RR=1.24) of having breast cancer diagnosed in women who are currently using combination oral contraceptives compared to never-users. The increased risk gradually disappears during the course of the 10 years after cessation of combination oral contraceptive use. These studies do not provide evidence for causation. The observed pattern of increased risk of breast cancer diagnosis may be due to earlier detection of breast cancer in combination oral contraceptive users, the biological effects of combination oral contraceptives, or a combination of both. Because breast cancer is rare in women under 40 years of age, the excess number of breast cancer diagnoses in current and recent combination oral contraceptive users is small in relation to the lifetime risk of breast cancer. Breast cancers diagnosed in ever-users tend to be less advanced clinically than the cancers diagnosed in never-users.
Some studies suggest that oral-contraceptive use has been associated with an increase in the risk of cervical intraepithelial neoplasia or invasive cervical cancer in some populations of women. However, there continues to be controversy about the extent to which such findings may be due to differences in sexual behavior and other factors.
In spite of many studies of the relationship between oral-contraceptive use and breast and cervical cancers, a cause-and-effect relationship has not been established.
4. Hepatic Neoplasia
Benign hepatic adenomas are associated with oral-contraceptive use, although the incidence of benign tumors is rare in the United States. Indirect calculations have estimated the attributable risk to be in the range of 3.3 cases/100,000 for users, a risk that increases after four or more years of use. Rupture of rare, benign, hepatic adenomas may cause death through intra-abdominal hemorrhage.
Studies from Britain have shown an increased risk of developing hepatocellular carcinoma in long-term (>8 years) oral-contraceptive users. However, these cancers are extremely rare in the U.S., and the attributable risk (the excess incidence) of liver cancers in oral-contraceptive users approaches less than one per million users.
RISK OF LIVER ENZYME ELEVATIONS WITH CONCOMITANT HEPATITIS C TREATMENT
During clinical trials with the Hepatitis C combination drug regimen that contains ombitasvir/paritaprevir/ritonavir, with or without dasabuvir, ALT elevations greater than 5 times the upper limit of normal (ULN), including some cases greater than 20 times the ULN, were significantly more frequent in women using ethinyl estradiolcontaining medications such as CHCs. Discontinue levonorgestrel and ethinyl estradiol prior to starting therapy with the combination drug regimen ombitasvir/paritaprevir/ritonavir, with or without dasabuvir Levonorgestrel and ethinyl estradiol can be restarted approximately 2 weeks following completion of treatment with the combination drug regimen.
5. Ocular Lesions
There have been clinical case reports of retinal thrombosis associated with the use of oral contraceptives that may lead to partial or complete loss of vision. Oral contraceptives should be discontinued if there is unexplained partial or complete loss of vision; onset of proptosis or diplopia; papilledema; or retinal vascular lesions. Appropriate diagnostic and therapeutic measures should be undertaken immediately.
6. Oral-contraceptive Use Before or During Early Pregnancy
Extensive epidemiological studies have revealed no increased risk of birth defects in women who have used oral contraceptives prior to pregnancy. Studies also do not suggest a teratogenic effect, particularly insofar as cardiac anomalies and limb-reduction defects are concerned, when taken inadvertently during early pregnancy (see section).
The administration of oral contraceptives to induce withdrawal bleeding should not be used as a test for pregnancy. Oral contraceptives should not be used during pregnancy to treat threatened or habitual abortion.
It is recommended that for any patient who has missed two consecutive periods, pregnancy should be ruled out before continuing oral-contraceptive use. If the patient has not adhered to the prescribed schedule, the possibility of pregnancy should be considered at the time of the first missed period. Oral-contraceptive use should be discontinued if pregnancy is confirmed.
7. Gallbladder Disease
Earlier studies have reported an increased lifetime relative risk of gallbladder surgery in users of oral contraceptives and estrogens. More recent studies, however, have shown that the relative risk of developing gallbladder disease among oral-contraceptive users may be minimal. The recent findings of minimal risk may be related to the use of oral-contraceptive formulations containing lower hormonal doses of estrogens and progestogens.
8. Carbohydrate and Lipid Metabolic Effects
Oral contraceptives have been shown to cause glucose intolerance in a significant percentage of users. Oral contraceptives containing greater than 75 micrograms of estrogens cause hyperinsulinism, while lower doses of estrogen cause less glucose intolerance. Progestogens increase insulin secretion and create insulin resistance, this effect varying with different progestational agents. However, in the nondiabetic woman, oral contraceptives appear to have no effect on fasting blood glucose. Because of these demonstrated effects, prediabetic and diabetic women should be carefully observed while taking oral contraceptives.
A small proportion of women will have persistent hypertriglyceridemia while on the pill. As discussed earlier (see 1a. and 1d.) changes in serum triglycerides and lipoprotein levels have been reported in oral-contraceptive users.
9. Elevated Blood Pressure
An increase in blood pressure has been reported in women taking oral contraceptives, and this increase is more likely in older oral-contraceptive users and with continued use. Data from the Royal College of General Practitioners and subsequent randomized trials have shown that the incidence of hypertension increases with increasing quantities of progestogens.
Women with a history of hypertension or hypertension-related diseases, or renal disease, should be encouraged to use another method of contraception. If women with hypertension elect to use oral contraceptives, they should be monitored closely, and if significant elevation of blood pressure occurs, oral contraceptives should be discontinued (see section). For most women, elevated blood pressure will return to normal after stopping oral contraceptives, and there is no difference in the occurrence of hypertension among ever- and never-users.
10. Headache
The onset or exacerbation of migraine or development of headache with a new pattern that is recurrent, persistent, or severe requires discontinuation of oral contraceptives and evaluation of the cause. (See 1c.)
11. Bleeding Irregularities
Breakthrough bleeding and spotting are sometimes encountered in patients on oral contraceptives, especially during the first three months of use. The type and dose of progestogen may be important.
If bleeding persists or recurs, nonhormonal causes should be considered and adequate diagnostic measures taken to rule out malignancy or pregnancy in the event of breakthrough bleeding, as in the case of any abnormal vaginal bleeding. If pathology has been excluded, time or a change to another formulation may solve the problem. In the event of amenorrhea, pregnancy should be ruled out if the oral contraceptive has not been taken according to directions prior to the first missed withdrawal bleed or if two consecutive withdrawal bleeds have been missed.
Some women may encounter post-pill amenorrhea or oligomenorrhea (possibly with anovulation), especially when such a condition was preexistent.
What are the precautions of CHATEAL?
1. General
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Patients should be counseled that this product does not protect against HIV infection (AIDS) and other sexually transmitted diseases.
2. Physical Examination and Follow-up
A periodic personal and family medical history and complete physical examination are appropriate for all women, including women using oral contraceptives. The physical examination, however, may be deferred until after initiation of oral contraceptives if requested by the woman and judged appropriate by the clinician. The physical examination should include special reference to blood pressure, breasts, abdomen and pelvic organs, including cervical cytology, and relevant laboratory tests. In case of undiagnosed, persistent or recurrent abnormal vaginal bleeding, appropriate measures should be conducted to rule out malignancy. Women with a strong family history of breast cancer or who have breast nodules should be monitored with particular care.
3. Lipid Disorders
Women who are being treated for hyperlipidemias should be followed closely if they elect to use oral contraceptives. Some progestogens may elevate LDL levels and may render the control of hyperlipidemias more difficult. (See 1d.)
In patients with familial defects of lipoprotein metabolism receiving estrogen-containing preparations, there have been case reports of significant elevations of plasma triglycerides leading to pancreatitis.
4. Liver Function
If jaundice develops in any woman receiving such drugs, the medication should be discontinued. Steroid hormones may be poorly metabolized in patients with impaired liver function.
5. Fluid Retention
Oral contraceptives may cause some degree of fluid retention. They should be prescribed with caution, and only with careful monitoring, in patients with conditions which might be aggravated by fluid retention.
6. Emotional Disorders
Patients becoming significantly depressed while taking oral contraceptives should stop the medication and use an alternate method of contraception in an attempt to determine whether the symptom is drug related. Women with a history of depression should be carefully observed and the drug discontinued if depression recurs to a serious degree.
7. Contact Lenses
Contact-lens wearers who develop visual changes or changes in lens tolerance should be assessed by an ophthalmologist.
8. Gastrointestinal Motility
Diarrhea and/or vomiting may reduce hormone absorption.
9. Drug Interactions
- Competitive inhibitors for sulfation of ethinyl estradiol in the gastrointestinal wall, such as ascorbic acid (vitamin C) and acetaminophen.
- Substances that inhibit cytochrome P450 3A4 isoenzymes such as indinavir, fluconazole, and troleandomycin. Troleandomycin may increase the risk of intrahepatic cholestasis during coadministration with combination oral contraceptives.
- Atorvastatin (unknown mechanism)
Interactions between ethinyl estradiol and other substances may lead to decreased or increased serum ethinyl estradiol concentrations.
Decreased ethinyl estradiol plasma concentrations may cause an increased incidence of breakthrough bleeding and menstrual irregularities and may possibly reduce efficacy of the combination oral contraceptive.
Combined hormonal contraceptives have been shown to significantly decrease plasma concentrations of lamotrigine when coadministered, likely due to induction of lamotrigine glucuronidation. This may reduce seizure control; therefore, dosage adjustments of lamotrigine may be necessary.
Consult the labeling of concurrently-used drugs to obtain further information about interactions with hormonal contraceptives or the potential for enzyme alterations.
Reduced ethinyl estradiol concentrations have been associated with concomitant use of substances that induce hepatic microsomal enzymes, such as rifampin, rifabutin, barbiturates, phenylbutazone, phenytoin sodium, griseofulvin, topiramate, some protease inhibitors, modafinil, and possibly St. John's wort.
Substances that may decrease plasma ethinyl estradiol concentrations by other mechanisms include any substance that reduces gut transit time and certain antibiotics (e.g. ampicillin and other penicillins, tetracyclines) by a decrease of enterohepatic circulation of estrogens.
During concomitant use of ethinyl estradiol containing products and substances that may lead to decreased plasma steroid hormone concentrations, it is recommended that a nonhormonal back-up method of birth control be used in addition to the regular intake of levonorgestrel and ethinyl estradiol tablets. If the use of a substance which leads to decreased ethinyl estradiol plasma concentrations is required for a prolonged period of time, combination oral contraceptives should not be considered the primary contraceptive.
After discontinuation of substances that may lead to decreased ethinyl estradiol plasma concentrations, use of a nonhormonal back-up method of birth control is recommended for 7 days. Longer use of a back-up method is advisable after discontinuation of substances that have led to induction of hepatic microsomal enzymes, resulting in decreased ethinyl estradiol concentrations. It may take several weeks until enzyme induction has completely subsided, depending on dosage, duration of use, and rate of elimination of the inducing substance.
Some substances may increase plasma ethinyl estradiol concentrations. These include:
Ethinyl estradiol may interfere with the mechanism of other drugs by inhibiting hepatic microsomal enzymes or by inducing hepatic drug conjugation, particularly glucuronidation. Accordingly, tissue concentrations may be either increased (e.g. cyclosporine, theophylline, corticosteroids) or decreased.
The prescribing information of concomitant medications should be consulted to identify potential interactions.
Concomitant Use with HCV Combination Therapy – Liver Enzyme Elevation
Do not co-administer levonorgestrel and ethinyl estradiol with HCV drug combinations containing ombitasvir/ paritaprevir/ritonavir, with or without dasabuvir, due to potential for ALT elevations (see Warnings,
10. Interactions With Laboratory Tests
- Increased prothrombin and factors VII, VIII, IX, and X; decreased antithrombin 3; increased norepinephrine-induced platelet aggregability.
- Increased thyroid-binding globulin (TBG) leading to increased circulating total thyroid hormone, as measured by protein-bound iodine (PBI), T4 by column or by radioimmunoassay. Free T3 resin uptake is decreased, reflecting the elevated TBG; free T4 concentration is unaltered.
- Other binding proteins may be elevated in serum.
- Sex-binding globulins are increased and result in elevated levels of total circulating sex steroids and corticoids; however, free or biologically active levels remain unchanged.
- Triglycerides may be increased.
- Glucose tolerance may be decreased.
- Serum folate levels may be depressed by oral-contraceptive therapy. This may be of clinical significance if a woman becomes pregnant shortly after discontinuing oral contraceptives.
Certain endocrine- and liver-function tests and blood components may be affected by oral contraceptives:
11. Carcinogenesis
See section.
12. Pregnancy
Pregnancy Category X. See and sections.
13. Nursing Mothers
Small amounts of oral-contraceptive steroids and/or metabolites have been identified in the milk of nursing mothers, and a few adverse effects on the child have been reported, including jaundice and breast enlargement. In addition, combination oral contraceptives given in the postpartum period may interfere with lactation by decreasing the quantity and quality of breast milk. If possible, the nursing mother should be advised not to use combination oral contraceptives but to use other forms of contraception until she has completely weaned her child.
14. Pediatric Use
Safety and efficacy of levonorgestrel and ethinyl estradiol tablets have been established in women of reproductive age. Safety and efficacy are expected to be the same for postpubertal adolescents under the age of 16 and users 16 and older. Use of this product before menarche is not indicated.
INFORMATION FOR THE PATIENT
See Patient Labeling Printed Below.
What are the side effects of CHATEAL?
An increased risk of the following serious adverse reactions (see section for additional information) has been associated with the use of oral contraceptives:
Thromboembolic disorders and other vascular problems (including thrombophlebitis, arterial thromboembolism, pulmonary embolism, myocardial infarction, cerebral hemorrhage, cerebral thrombosis), carcinoma of the reproductive organs, hepatic neoplasia (including hepatic adenomas or benign liver tumors), ocular lesions (including retinal vascular thrombosis), gallbladder disease, carbohydrate and lipid effects, elevated blood pressure, and headache.
The following adverse reactions have been reported in patients receiving oral contraceptives and are believed to be drug related:
Nausea
Vomiting
Gastrointestinal symptoms (such as abdominal pain, cramps and bloating)
Breakthrough bleeding
Spotting
Change in menstrual flow
Amenorrhea
Temporary infertility after discontinuation of treatment
Edema/fluid retention
Melasma/chloasma which may persist
Breast changes: tenderness, pain, enlargement, secretion
Change in weight or appetite (increase or decrease)
Change in cervical erosion and secretion
Diminution in lactation when given immediately postpartum
Cholestatic jaundice
Rash (allergic)
Mood changes, including depression
Vaginitis, including candidiasis
Change in corneal curvature (steepening)
Intolerance to contact lenses
Mesenteric thrombosis
Decrease in serum folate levels
Exacerbation of systemic lupus erythematosus
Exacerbation of porphyria
Exacerbation of chorea
Aggravation of varicose veins
Anaphylactic/anaphylactoid reactions, including urticaria, angioedema, and severe reactions with respiratory and circulatory symptoms.
The following adverse reactions have been reported in users of oral contraceptives, and the association has been neither confirmed nor refuted:
Congenital anomalies
Premenstrual syndrome
Cataracts
Optic neuritis, which may lead to partial or complete loss of vision
Cystitis-like syndrome
Nervousness
Dizziness
Hirsutism
Loss of scalp hair
Erythema multiforme
Erythema nodosum
Hemorrhagic eruption
Impaired renal function
Hemolytic uremic syndrome
Budd-Chiari syndrome
Acne
Changes in libido
Colitis
Sickle-cell disease
Cerebral-vascular disease with mitral valve prolapse
Lupus-like syndromes
Pancreatitis
Dysmenorrhea
What should I look out for while using CHATEAL?
Combination oral contraceptives should not be used in women with any of the following conditions:
Thrombophlebitis or thromboembolic disorders.
A past history of deep-vein thrombophlebitis or thromboembolic disorders.
Cerebral-vascular or coronary-artery disease.
Thrombogenic valvulopathies.
Thrombogenic rhythm disorders.
Diabetes with vascular involvement.
Uncontrolled hypertension.
Known or suspected carcinoma of the breast.
Carcinoma of the endometrium or other known or suspected estrogen-dependent neoplasia.
Undiagnosed abnormal genital bleeding.
Cholestatic jaundice of pregnancy or jaundice with prior pill use.
Hepatic adenomas or carcinomas, or active liver disease, as long as liver function has not returned to normal.
Known or suspected pregnancy.
Hypersensitivity to any of the components of Chateal (Levonorgestrel and Ethinyl Estradiol Tablets, USP).
Are receiving Hepatitis C drug combinations containing ombitasvir/paritaprevir/ritonavir, with or without dasabuvir, due to the potential for ALT elevations (see Warnings,
What might happen if I take too much CHATEAL?
Serious ill effects have not been reported following acute ingestion of large doses of oral contraceptives by young children. Overdosage may cause nausea, and withdrawal bleeding may occur in females.
How should I store and handle CHATEAL?
Storage ConditionsStore at or below 25°C (77°F); however, brief exposure up to 40°C (104°F) does not adversely affect the product. Avoid excessive heat. Protect from freezing. Protect from light. Keep out of reach of children.Sterile, Nonpyrogenic, Preservative-free, PVC-free, DEHP-free.The container and container closure are not made with natural rubber latex.Storage ConditionsStore at or below 25°C (77°F); however, brief exposure up to 40°C (104°F) does not adversely affect the product. Avoid excessive heat. Protect from freezing. Protect from light. Keep out of reach of children.Sterile, Nonpyrogenic, Preservative-free, PVC-free, DEHP-free.The container and container closure are not made with natural rubber latex.Storage ConditionsStore at or below 25°C (77°F); however, brief exposure up to 40°C (104°F) does not adversely affect the product. Avoid excessive heat. Protect from freezing. Protect from light. Keep out of reach of children.Sterile, Nonpyrogenic, Preservative-free, PVC-free, DEHP-free.The container and container closure are not made with natural rubber latex.Storage ConditionsStore at or below 25°C (77°F); however, brief exposure up to 40°C (104°F) does not adversely affect the product. Avoid excessive heat. Protect from freezing. Protect from light. Keep out of reach of children.Sterile, Nonpyrogenic, Preservative-free, PVC-free, DEHP-free.The container and container closure are not made with natural rubber latex.Storage ConditionsStore at or below 25°C (77°F); however, brief exposure up to 40°C (104°F) does not adversely affect the product. Avoid excessive heat. Protect from freezing. Protect from light. Keep out of reach of children.Sterile, Nonpyrogenic, Preservative-free, PVC-free, DEHP-free.The container and container closure are not made with natural rubber latex.Storage ConditionsStore at or below 25°C (77°F); however, brief exposure up to 40°C (104°F) does not adversely affect the product. Avoid excessive heat. Protect from freezing. Protect from light. Keep out of reach of children.Sterile, Nonpyrogenic, Preservative-free, PVC-free, DEHP-free.The container and container closure are not made with natural rubber latex.Storage ConditionsStore at or below 25°C (77°F); however, brief exposure up to 40°C (104°F) does not adversely affect the product. Avoid excessive heat. Protect from freezing. Protect from light. Keep out of reach of children.Sterile, Nonpyrogenic, Preservative-free, PVC-free, DEHP-free.The container and container closure are not made with natural rubber latex.Chateal (Levonorgestrel and Ethinyl Estradiol Tablets, USP 0.15 mg/0.03 mg) are available in a carton of 3 packages, each package contains 28 tablets:21 Active Tablets: White to off-white, round, unscored tablets debossed with 209 on one side and plain on the other side.7 Inert Tablets: Green, round, unscored tablets debossed with 274 on one side and plain on the other side.Package (NDC-50102-130-10)Carton (NDC-50102-130-03) containing 3 PackagesStore at 20° to 25°C (68°F to 77°F) [See USP Controlled Room Temperature].References available upon request.Chateal (Levonorgestrel and Ethinyl Estradiol Tablets, USP 0.15 mg/0.03 mg) are available in a carton of 3 packages, each package contains 28 tablets:21 Active Tablets: White to off-white, round, unscored tablets debossed with 209 on one side and plain on the other side.7 Inert Tablets: Green, round, unscored tablets debossed with 274 on one side and plain on the other side.Package (NDC-50102-130-10)Carton (NDC-50102-130-03) containing 3 PackagesStore at 20° to 25°C (68°F to 77°F) [See USP Controlled Room Temperature].References available upon request.Chateal (Levonorgestrel and Ethinyl Estradiol Tablets, USP 0.15 mg/0.03 mg) are available in a carton of 3 packages, each package contains 28 tablets:21 Active Tablets: White to off-white, round, unscored tablets debossed with 209 on one side and plain on the other side.7 Inert Tablets: Green, round, unscored tablets debossed with 274 on one side and plain on the other side.Package (NDC-50102-130-10)Carton (NDC-50102-130-03) containing 3 PackagesStore at 20° to 25°C (68°F to 77°F) [See USP Controlled Room Temperature].References available upon request.Chateal (Levonorgestrel and Ethinyl Estradiol Tablets, USP 0.15 mg/0.03 mg) are available in a carton of 3 packages, each package contains 28 tablets:21 Active Tablets: White to off-white, round, unscored tablets debossed with 209 on one side and plain on the other side.7 Inert Tablets: Green, round, unscored tablets debossed with 274 on one side and plain on the other side.Package (NDC-50102-130-10)Carton (NDC-50102-130-03) containing 3 PackagesStore at 20° to 25°C (68°F to 77°F) [See USP Controlled Room Temperature].References available upon request.Chateal (Levonorgestrel and Ethinyl Estradiol Tablets, USP 0.15 mg/0.03 mg) are available in a carton of 3 packages, each package contains 28 tablets:21 Active Tablets: White to off-white, round, unscored tablets debossed with 209 on one side and plain on the other side.7 Inert Tablets: Green, round, unscored tablets debossed with 274 on one side and plain on the other side.Package (NDC-50102-130-10)Carton (NDC-50102-130-03) containing 3 PackagesStore at 20° to 25°C (68°F to 77°F) [See USP Controlled Room Temperature].References available upon request.Chateal (Levonorgestrel and Ethinyl Estradiol Tablets, USP 0.15 mg/0.03 mg) are available in a carton of 3 packages, each package contains 28 tablets:21 Active Tablets: White to off-white, round, unscored tablets debossed with 209 on one side and plain on the other side.7 Inert Tablets: Green, round, unscored tablets debossed with 274 on one side and plain on the other side.Package (NDC-50102-130-10)Carton (NDC-50102-130-03) containing 3 PackagesStore at 20° to 25°C (68°F to 77°F) [See USP Controlled Room Temperature].References available upon request.Chateal (Levonorgestrel and Ethinyl Estradiol Tablets, USP 0.15 mg/0.03 mg) are available in a carton of 3 packages, each package contains 28 tablets:21 Active Tablets: White to off-white, round, unscored tablets debossed with 209 on one side and plain on the other side.7 Inert Tablets: Green, round, unscored tablets debossed with 274 on one side and plain on the other side.Package (NDC-50102-130-10)Carton (NDC-50102-130-03) containing 3 PackagesStore at 20° to 25°C (68°F to 77°F) [See USP Controlled Room Temperature].References available upon request.
Clinical Information
Chemical Structure
No Image foundClinical Pharmacology
Combination oral contraceptives act by suppression of gonadotropins. Although the primary mechanism of this action is inhibition of ovulation, other alterations include changes in the cervical mucus (which increase the difficulty of sperm entry into the uterus) and the endometrium (which reduce the likelihood of implantation).
Non-Clinical Toxicology
Combination oral contraceptives should not be used in women with any of the following conditions:Thrombophlebitis or thromboembolic disorders.
A past history of deep-vein thrombophlebitis or thromboembolic disorders.
Cerebral-vascular or coronary-artery disease.
Thrombogenic valvulopathies.
Thrombogenic rhythm disorders.
Diabetes with vascular involvement.
Uncontrolled hypertension.
Known or suspected carcinoma of the breast.
Carcinoma of the endometrium or other known or suspected estrogen-dependent neoplasia.
Undiagnosed abnormal genital bleeding.
Cholestatic jaundice of pregnancy or jaundice with prior pill use.
Hepatic adenomas or carcinomas, or active liver disease, as long as liver function has not returned to normal.
Known or suspected pregnancy.
Hypersensitivity to any of the components of Chateal (Levonorgestrel and Ethinyl Estradiol Tablets, USP).
Are receiving Hepatitis C drug combinations containing ombitasvir/paritaprevir/ritonavir, with or without dasabuvir, due to the potential for ALT elevations (see Warnings,
Promethazine
CNS Depressants:
Epinephrine:
Anticholinergics:
Monoamine oxidase inhibitors (MAOI):
Phenylephrine
ID177
Patients should be counseled that this product does not protect against HIV infection (AIDS) and other sexually transmitted diseases.
An increased risk of the following serious adverse reactions (see section for additional information) has been associated with the use of oral contraceptives:
Thromboembolic disorders and other vascular problems (including thrombophlebitis, arterial thromboembolism, pulmonary embolism, myocardial infarction, cerebral hemorrhage, cerebral thrombosis), carcinoma of the reproductive organs, hepatic neoplasia (including hepatic adenomas or benign liver tumors), ocular lesions (including retinal vascular thrombosis), gallbladder disease, carbohydrate and lipid effects, elevated blood pressure, and headache.
The following adverse reactions have been reported in patients receiving oral contraceptives and are believed to be drug related:
Nausea
Vomiting
Gastrointestinal symptoms (such as abdominal pain, cramps and bloating)
Breakthrough bleeding
Spotting
Change in menstrual flow
Amenorrhea
Temporary infertility after discontinuation of treatment
Edema/fluid retention
Melasma/chloasma which may persist
Breast changes: tenderness, pain, enlargement, secretion
Change in weight or appetite (increase or decrease)
Change in cervical erosion and secretion
Diminution in lactation when given immediately postpartum
Cholestatic jaundice
Rash (allergic)
Mood changes, including depression
Vaginitis, including candidiasis
Change in corneal curvature (steepening)
Intolerance to contact lenses
Mesenteric thrombosis
Decrease in serum folate levels
Exacerbation of systemic lupus erythematosus
Exacerbation of porphyria
Exacerbation of chorea
Aggravation of varicose veins
Anaphylactic/anaphylactoid reactions, including urticaria, angioedema, and severe reactions with respiratory and circulatory symptoms.
The following adverse reactions have been reported in users of oral contraceptives, and the association has been neither confirmed nor refuted:
Congenital anomalies
Premenstrual syndrome
Cataracts
Optic neuritis, which may lead to partial or complete loss of vision
Cystitis-like syndrome
Nervousness
Dizziness
Hirsutism
Loss of scalp hair
Erythema multiforme
Erythema nodosum
Hemorrhagic eruption
Impaired renal function
Hemolytic uremic syndrome
Budd-Chiari syndrome
Acne
Changes in libido
Colitis
Sickle-cell disease
Cerebral-vascular disease with mitral valve prolapse
Lupus-like syndromes
Pancreatitis
Dysmenorrhea
Reference
This information is obtained from the National Institute of Health's Standard Packaging Label drug database.
"https://dailymed.nlm.nih.gov/dailymed/"
While we update our database periodically, we cannot guarantee it is always updated to the latest version.
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Clonazepam Description Each single-scored tablet, for oral administration, contains 0.5 mg, 1 mg, or 2 mg Clonazepam, USP, a benzodiazepine. Each tablet also contains corn starch, lactose monohydrate, magnesium stearate, microcrystalline cellulose, and povidone. Clonazepam tablets USP 0.5 mg contain Yellow D&C No. 10 Aluminum Lake. Clonazepam tablets USP 1 mg contain Yellow D&C No. 10 Aluminum Lake, as well as FD&C Blue No. 1 Aluminum Lake. Chemically, Clonazepam, USP is 5-(o-chlorophenyl)-1,3-dihydro-7-nitro-2H-1,4-benzodiazepin-2-one. It is a light yellow crystalline powder. It has the following structural formula: C15H10ClN3O3 M.W. 315.72Tips
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Interactions
A total of 440 drugs (1549 brand and generic names) are known to interact with Imbruvica (ibrutinib). 228 major drug interactions (854 brand and generic names) 210 moderate drug interactions (691 brand and generic names) 2 minor drug interactions (4 brand and generic names) Show all medications in the database that may interact with Imbruvica (ibrutinib).