Acyclovir 800 Mg 1 Medication Summary
No separate FDA Medication Guide was found for this label. This summary is based on FDA/DailyMed prescribing information.
What is this medication?
This medication is described in FDA/DailyMed prescribing information. No separate FDA Medication Guide was found for this label. This summary is based on FDA/DailyMed prescribing information.
What is this medication used for?
Herpes Zoster Infections:Acyclovir tablets, USP are indicated for the acute treatment of herpes zoster (shingles). Genital Herpes:Acyclovir tablets, USP are indicated for the treatment of initial episodes and the management of recurrent episodes of genital herpes. Chickenpox:Acyclovir tablets, USP are indicated for the treatment of chickenpox (varicella).
What should I know before taking it?
Acyclovir tablets are contraindicated in patients who have had a demonstrated clinically significant hypersensitivity reaction [e.g., anaphylaxis, severe cutaneous adverse reactions (SCARs)] to acyclovir, valacyclovir, or any component of the formulation (see WARNINGS and ADVERSE REACTIONS ).
What important warnings are listed?
Acyclovir tablets are intended for oral ingestion only. Renal failure, in some cases resulting in death, has been observed with acyclovir therapy (see ADVERSE REACTIONS: Observed During Clinical Practice and OVERDOSAGE ). Thrombotic thrombocytopenic purpura/hemolytic uremic syndrome (TTP/HUS), which has resulted in death, has occurred in immunocompromised patients receiving acyclovir therapy. Severe cutaneous adverse reactions (SCARs), including acute generalized exanthematous pustulosis (AGEP), drug reaction with eosinophilia and systemic symptoms (DRESS), Stevens-Johnson syndrome (SJS), toxic epidermal necrolysis (TEN), and erythema multiforme (EM) have been reported with acyclovir (see.
How is this medication usually taken?
Acute Treatment of Herpes Zoster:800 mg every 4 hours orally, 5 times daily for 7 to 10 days. Genital Herpes: Treatment of Initial Genital Herpes: 200 mg every 4 hours, 5 times daily for 10 days. Chronic Suppressive Therapy for Recurrent Disease: 400 mg 2 times daily for up to 12 months, followed by re-evaluation. Alternative regimens have included doses ranging from 200 mg 3 times daily to 200 mg 5 times daily. The frequency and severity of episodes of untreated genital herpes may change over time. After 1 year of therapy, the frequency and severity of the patient’s genital herpes infection should be re-evaluated to assess the need for continuation of therapy with acyclovir tablets.
What side effects are listed?
The FDA/DailyMed label should be reviewed for complete details.
What interactions are listed?
See CLINICAL PHARMACOLOGY : Pharmacokinetics .
Where can I find the official prescribing information?
Review the full prescribing information on DailyMed: https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=e8a0f9f8-294f-4dd6-bd55-10a6253f1aa8
⚠️ Disclaimer
This summary is for educational purposes only and is not medical advice. Always consult your doctor, pharmacist, or other licensed healthcare professional before starting, stopping, or changing any medicine. Read full medical disclaimer.