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Levonorgestrel/Ethinyl Estradiol and Ethinyl Estradiol
Overview
What is QUARTETTE?
Quartette (levonorgestrel/ethinyl estradiol and ethinyl estradiol) tablets is an extended-cycle oral contraceptive. Quartette consists of 42 light pink tablets containing 0.15 mg levonorgestrel and 0.02 mg ethinyl estradiol, 21 pink tablets containing 0.15 mg levonorgestrel and 0.025 mg ethinyl estradiol, and 21 purple tablets containing 0.15 mg levonorgestrel and 0.03 mg ethinyl estradiol, and 7 yellow tablets containing 0.01 mg ethinyl estradiol. Levonorgestrel is a progestin and ethinyl estradiol is an estrogen.
The structural formulas, molecular formulas, molecular weights, and chemical names for the active components are shown below:
Levonorgestrel
CHO MW: 312.4
Levonorgestrel is chemically 18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-(17α)- (-)-.
Ethinyl Estradiol
CHO MW: 296.4
Ethinyl Estradiol is 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17α)-.
Each light pink tablet contains the following inactive ingredients:
anhydrous lactose, D&C Red no. 27/phloxine aluminum lake, FD&C Blue no. 2/Indigo Carmine aluminum lake, FD&C Yellow no. 6/Sunset Yellow FCF aluminum lake, hypromellose, lactose monohydrate, microcrystalline cellulose, magnesium stearate, polyethylene glycol/macrogol, titanium dioxide, and triacetin.
Each pink tablet contains the following inactive ingredients:
anhydrous lactose, D&C Red no. 27/phloxine aluminum lake, FD&C Blue no. 2/Indigo Carmine aluminum lake, hypromellose, lactose monohydrate, microcrystalline cellulose, magnesium stearate, polyethylene glycol/macrogol, titanium dioxide and triacetin.
Each purple tablet contains the following inactive ingredients:
anhydrous lactose, D&C Red no. 27/phloxine aluminum lake, FD&C Blue no. 1/Brilliant blue FCF aluminum lake, hypromellose, lactose monohydrate, microcrystalline cellulose, magnesium stearate, polyethylene glycol/macrogol, titanium dioxide and triacetin.
Each yellow tablet contains the following inactive ingredients:
anhydrous lactose, D&C yellow no. 10 aluminum lake, FD&C Yellow no. 6/Sunset Yellow FCF aluminum lake, hypromellose, magnesium stearate, microcrystalline cellulose, polacrilin potassium, polyethylene glycol/macrogol, polysorbate 80 and titanium dioxide.
What does QUARTETTE look like?
What are the available doses of QUARTETTE?
Quartette consists of 91 tablets in the following order ():
What should I talk to my health care provider before I take QUARTETTE?
Nursing Mothers: Not recommended for nursing mothers; can decrease milk production. ()
How should I use QUARTETTE?
Quartette is indicated for use by females of reproductive age to prevent pregnancy.
Instruct patients to take Quartette once a day by mouth at the same time every day for 91 days. To achieve maximum contraceptive effectiveness, Quartette must be taken exactly as directed and at intervals not exceeding 24 hours. For patient instructions regarding missed pills, see .
What interacts with QUARTETTE?
Sorry No Records found
What are the warnings of QUARTETTE?
Sorry No Records found
What are the precautions of QUARTETTE?
Sorry No Records found
What are the side effects of QUARTETTE?
Sorry No records found
What should I look out for while using QUARTETTE?
Do not prescribe Quartette to women who are known to have the following conditions:
What might happen if I take too much QUARTETTE?
There have been no reports of serious ill effects from overdose of oral contraceptives, including ingestion by children. Overdosage may cause withdrawal bleeding in females and nausea.
How should I store and handle QUARTETTE?
Store at 20º-25º C (68º-77º F); excursions permitted to 15 to 30º C (59 to 86º F) [see USP Controlled Room Temperature].Medroxyprogesterone Acetate Injectable Suspension, USP (Medroxyprogesterone Acetate sterile aqueous suspension 150 mg/mL) is supplied in the following strengths and package configurations:
Clinical Information
Chemical Structure
No Image foundClinical Pharmacology
COCs lower the risk of becoming pregnant primarily by suppressing ovulation. Other possible mechanisms may include cervical mucus changes that inhibit sperm penetration and endometrial changes that reduce the likelihood of implantation.
Non-Clinical Toxicology
Do not prescribe Quartette to women who are known to have the following conditions:Stop Quartette if an arterial or deep venous thrombotic event (VTE) occurs. Stop Quartette if there is unexplained loss of vision, proptosis, diplopia, papilledema, or retinal vascular lesions. Evaluate for retinal vein thrombosis immediately.
If feasible, stop Quartette at least 4 weeks before and through 2 weeks after major surgery or other surgeries known to have an elevated risk of VTE.
Start Quartette no earlier than 4 weeks after delivery, in women who are not breastfeeding. The risk of postpartum VTE decreases after the third postpartum week, whereas the risk of ovulation increases after the third postpartum week.
The use of COCs increases the risk of VTE. However, pregnancy increases the risk of VTE as much or more than the use of COCs. The risk of VTE in women using COCs is 3 to 9 per 10,000 woman-years. The risk of VTE is highest during the first year of use of a COC. Data from a large, prospective cohort safety study of various COCs suggest that this increased risk, as compared to that in non-COC users, is greatest during the first 6 months of COC use. Data from this safety study indicate that the greatest risk of VTE is present after initially starting a COC or restarting (following a 4-week or greater pill-free interval) the same or a different COC. The risk of thromboembolic disease due to COCs gradually disappears after COC use is discontinued.
Use of Quartette provides women with more hormonal exposure on a yearly basis than conventional monthly oral contraceptives containing the same strength synthetic estrogens and progestins (an additional 9 and 13 weeks of exposure to progestin and estrogen, respectively, per year). In the clinical trial, three cases of deep vein thrombosis were reported.
Use of COCs also increases the risk of arterial thromboses such as strokes and myocardial infarctions, especially in women with other risk factors for these events. COCs have been shown to increase both the relative and attributable risks of cerebrovascular events (thrombotic and hemorrhagic strokes), although, in general, the risk is greatest among older (>35 years of age), and hypertensive women who also smoke. COCs also increase the risk for stroke in women with other underlying risk factors.
Use COCs with caution in women with cardiovascular disease risk factors.
The following serious adverse reactions with the use of COCs are discussed elsewhere in the labeling:
Adverse reactions commonly reported by COC users are:
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.
Review
Professional
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
Tips
Interactions
Interactions
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