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Abacavir and Lamivudine

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Overview

What is Abacavir and Lamivudine?

Abacavir and Lamivudine Tablets USP

Abacavir and lamivudine tablets USP are for oral administration. Each yellow, film-coated tablet contains the active ingredients 600 mg of abacavir as abacavir sulfate, USP and 300 mg of lamivudine, USP, and the inactive ingredients FD&C yellow #6, hypromellose, iron oxide yellow, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polysorbate 80, sodium starch glycolate, and titanium dioxide.

Abacavir Sulfate, USP

S,cis

H

1S

4R

(C H N O) •H SO M.W. 670.76

Abacavir sulfate, USP is a white to off-white solid with a solubility of approximately 77 mg/mL in distilled water at 25°C.

In vivo

Lamivudine, USP

C H N O S M.W. 229.3

Lamivudine, USP is a white to off-white crystalline solid with a solubility of approximately 70 mg/mL in water at 20°C.



What does Abacavir and Lamivudine look like?



What are the available doses of Abacavir and Lamivudine?

Tablets: 600 mg of abacavir and 300 mg of lamivudine. ( )

What should I talk to my health care provider before I take Abacavir and Lamivudine?

See 17 for PATIENT COUNSELING INFORMATION and Medication Guide. Revised: 2/2018

How should I use Abacavir and Lamivudine?

Abacavir and lamivudine tablets, in combination with other antiretroviral agents, are indicated for the treatment of human immunodeficiency virus type 1 (HIV-1) infection.

Screen for the HLA-B*5701 allele prior to initiating therapy with abacavir and lamivudine tablets .


What interacts with Abacavir and Lamivudine?

Sorry No Records found


What are the warnings of Abacavir and Lamivudine?

Sorry No Records found


What are the precautions of Abacavir and Lamivudine?

Sorry No Records found


What are the side effects of Abacavir and Lamivudine?

Sorry No records found


What should I look out for while using Abacavir and Lamivudine?

Abacavir and lamivudine tablets are contraindicated in patients:Abacavir and lamivudine tablets are contraindicated in patients:

Hypersensitivity Reactions

Serious and sometimes fatal hypersensitivity reactions, with multiple organ involvement, have occurred with abacavir, a component of abacavir and lamivudine tablets. Patients who carry the HLA-B*5701 allele are at a higher risk of a hypersensitivity reaction to abacavir; although, hypersensitivity reactions have occurred in patients who do not carry the HLA-B*5701 allele .

Abacavir and lamivudine tablets are contraindicated in patients with a prior hypersensitivity reaction to abacavir and in HLA-B*5701-positive patients . All patients should be screened for the HLA-B*5701 allele prior to initiating therapy with abacavir and lamivudine tablets or reinitiation of therapy with abacavir and lamivudine tablets, unless patients have a previously documented HLA-B*5701 allele assessment. Discontinue abacavir and lamivudine tablets immediately if a hypersensitivity reaction is suspected, regardless of HLA-B*5701 status and even when other diagnoses are possible

Following a hypersensitivity reaction to abacavir and lamivudine tablets, NEVER restart abacavir and lamivudine tablets or any other abacavir-containing product because more severe symptoms, including death, can occur within hours. Similar severe reactions have also occurred rarely following the reintroduction of abacavir-containing products in patients who have no history of abacavir hypersensitivity

Lactic Acidosis and Severe Hepatomegaly with Steatosis

Lactic acidosis and severe hepatomegaly with steatosis, including fatal cases, have been reported with the use of nucleoside analogues and other antiretrovirals. Discontinue abacavir and lamivudine tablets if clinical or laboratory findings suggestive of lactic acidosis or pronounced hepatotoxicity occur

Exacerbations of Hepatitis B

Severe acute exacerbations of hepatitis B have been reported in patients who are co-infected with hepatitis B virus (HBV) and human immunodeficiency virus (HIV-1) and have discontinued lamivudine, which is a component of abacavir and lamivudine tablets. Hepatic function should be monitored closely with both clinical and laboratory follow-up for at least several months in patients who discontinue abacavir and lamivudine tablets and are co-infected with HIV-1 and HBV. If appropriate, initiation of anti-hepatitis B therapy may be warranted .


What might happen if I take too much Abacavir and Lamivudine?

There is no known specific treatment for overdose with abacavir and lamivudine tablets. If overdose occurs, the patient should be monitored, and standard supportive treatment applied as required.

Abacavir:

Lamivudine:


How should I store and handle Abacavir and Lamivudine?

Store at 20° to 25°C (68° to 77°F) [See USP Controlled Room Temperature]. Keep tightly closed (protect from moisture). Protect from light.Dispense in a tight, light-resistant container as defined in the USP, with a child-resistant closure (as required).KEEP THIS AND ALL MEDICATIONS OUT OF THE REACH OF CHILDREN.Store at 20° to 25°C (68° to 77°F) [See USP Controlled Room Temperature]. Keep tightly closed (protect from moisture). Protect from light.Dispense in a tight, light-resistant container as defined in the USP, with a child-resistant closure (as required).KEEP THIS AND ALL MEDICATIONS OUT OF THE REACH OF CHILDREN.Store at 20° to 25°C (68° to 77°F) [See USP Controlled Room Temperature]. Keep tightly closed (protect from moisture). Protect from light.Dispense in a tight, light-resistant container as defined in the USP, with a child-resistant closure (as required).KEEP THIS AND ALL MEDICATIONS OUT OF THE REACH OF CHILDREN.Abacavir and lamivudine tablets USP, 600 mg/300 mg are available as follows:


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Clinical Information

Chemical Structure

No Image found
Clinical Pharmacology

Abacavir and lamivudine tablets are an antiretroviral agent .

Non-Clinical Toxicology
Abacavir and lamivudine tablets are contraindicated in patients:Abacavir and lamivudine tablets are contraindicated in patients:

Hypersensitivity Reactions

Serious and sometimes fatal hypersensitivity reactions, with multiple organ involvement, have occurred with abacavir, a component of abacavir and lamivudine tablets. Patients who carry the HLA-B*5701 allele are at a higher risk of a hypersensitivity reaction to abacavir; although, hypersensitivity reactions have occurred in patients who do not carry the HLA-B*5701 allele .

Abacavir and lamivudine tablets are contraindicated in patients with a prior hypersensitivity reaction to abacavir and in HLA-B*5701-positive patients . All patients should be screened for the HLA-B*5701 allele prior to initiating therapy with abacavir and lamivudine tablets or reinitiation of therapy with abacavir and lamivudine tablets, unless patients have a previously documented HLA-B*5701 allele assessment. Discontinue abacavir and lamivudine tablets immediately if a hypersensitivity reaction is suspected, regardless of HLA-B*5701 status and even when other diagnoses are possible

Following a hypersensitivity reaction to abacavir and lamivudine tablets, NEVER restart abacavir and lamivudine tablets or any other abacavir-containing product because more severe symptoms, including death, can occur within hours. Similar severe reactions have also occurred rarely following the reintroduction of abacavir-containing products in patients who have no history of abacavir hypersensitivity

Lactic Acidosis and Severe Hepatomegaly with Steatosis

Lactic acidosis and severe hepatomegaly with steatosis, including fatal cases, have been reported with the use of nucleoside analogues and other antiretrovirals. Discontinue abacavir and lamivudine tablets if clinical or laboratory findings suggestive of lactic acidosis or pronounced hepatotoxicity occur

Exacerbations of Hepatitis B

Severe acute exacerbations of hepatitis B have been reported in patients who are co-infected with hepatitis B virus (HBV) and human immunodeficiency virus (HIV-1) and have discontinued lamivudine, which is a component of abacavir and lamivudine tablets. Hepatic function should be monitored closely with both clinical and laboratory follow-up for at least several months in patients who discontinue abacavir and lamivudine tablets and are co-infected with HIV-1 and HBV. If appropriate, initiation of anti-hepatitis B therapy may be warranted .

Clonidine may potentiate the CNS-depressive effects of alcohol, barbiturates or other sedating drugs. If a patient receiving clonidine hydrochloride is also taking tricyclic antidepressants, the hypotensive effect of clonidine may be reduced, necessitating an increase in the clonidine dose. If a patient receiving clonidine is also taking neuroleptics, orthostatic regulation disturbances (e.g., orthostatic hypotension, dizziness, fatigue) may be induced or exacerbated. Monitor heart rate in patients receiving clonidine concomitantly with agents known to affect sinus node function or AV nodal conduction, e.g. digitalis, calcium channel blockers and beta-blockers. Sinus bradycardia resulting in hospitalization and pacemaker insertion has been reported in association with the use of clonidine concomitantly with diltiazem or verapamil. Amitriptyline in combination with clonidine enhances the manifestation of corneal lesions in rats (see ). Based on observations in patients in a state of alcoholic delirium it has been suggested that high intravenous doses of clonidine may increase the arrhythmogenic potential (QT-prolongation, ventricular fibrillation) of high intravenous doses of haloperidol. Causal relationship and relevance for clonidine oral tablets have not been established. In several studies with oral clonidine hydrochloride, a dose-dependent increase in the incidence and severity of spontaneous retinal degeneration was seen in albino rats treated for six months or longer. Tissue distribution studies in dogs and monkeys showed a concentration of clonidine in the choroid. In view of the retinal degeneration seen in rats, eye examinations were performed during clinical trials in 908 patients before, and periodically after, the start of clonidine therapy. In 353 of these 908 patients, the eye examinations were carried out over periods of 24 months or longer. Except for some dryness of the eyes, no drug-related abnormal ophthalmological findings were recorded and, according to specialized tests such as electroretinography and macular dazzle, retinal function was unchanged. In combination with amitriptyline, clonidine hydrochloride administration led to the development of corneal lesions in rats within 5 days.

Serious and sometimes fatal hypersensitivity reactions have occurred with abacavir, a component of abacavir and lamivudine tablets. These hypersensitivity reactions have included multi-organ failure and anaphylaxis and typically occurred within the first 6 weeks of treatment with abacavir (median time to onset was 9 days); although abacavir hypersensitivity reactions have occurred any time during treatment Patients who carry the HLA-B*5701 allele are at a higher risk of abacavir hypersensitivity reactions; although, patients who do not carry the HLA-B*5701 allele have developed hypersensitivity reactions. Hypersensitivity to abacavir was reported in approximately 206 (8%) of 2,670 patients in 9 clinical trials with abacavir-containing products where HLA-B*5701 screening was not performed. The incidence of suspected abacavir hypersensitivity reactions in clinical trials was 1% when subjects carrying the HLA-B*5701 allele were excluded. In any patient treated with abacavir, the clinical diagnosis of hypersensitivity reaction must remain the basis of clinical decision making.

Due to the potential for severe, serious, and possibly fatal hypersensitivity reactions with abacavir:

The following adverse reactions are discussed in other sections of the labeling:

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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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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. 315.72
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Tips

Tips

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Interactions

Interactions

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