Virmack

by ACE

Active ingredient: Acyclovir

Packs

About Acyclovir, Inf/Oral

Antiviral, Systemic

Uses

Herpes simplex, varicella-zoster. See under dosage.

How to take it

ORAL: Herpes simplex treatment: Adults: 200 mg (400 mg in the immunocompromised or if absorption impaired) 5 times daily, usually for 5 days. Children: Under 2 yr, half adult dose; over 2 yr, same as adult dose. Herpes simplex, prevention of recurrence: Adults: 200 mg 4 times daily or 400 mg twice daily possibly reduced to 200 mg 2 or 3 times daily and interrupted every 6-12 mth. Herpes simplex, prophylaxis in the immunocompromised: Adults: 200-400 mg 4 times daily. Children: Under 2 yr, half adult dose; over 2 yr, same as adult dose. Varicella and herpes zoster, treatment: Adults: 800 mg 5 times daily for 7 days. Children: Varicella: 20 mg/kg (max 800 mg) 4 times daily for 5 days or under…

Side effects

Rash, photosensitivity, headache, dizziness, confusion, hallucinations, somnolence, convulsions. Rarely transient elevation of liver enzymes, blood urea and creatinine, acute renal failure, hepatitis, jaundice, decrease in haematological indices, pruritus, GI upset, fatigue, fever.

Pregnancy and breastfeeding

Pregnancy: No evidence of risk in humans. Lactation: Caution advised or effect undetermined. Precautions: Renal impairment. Maintain hydration. Elderly.

Advice

Take with or without meals. To prevent GI upset, take with meals. Contact prescriber if there is muscle pain, fever, acute headache, difficulty in urination, dark coloured urine, concentrated urine, constant lethargy, severe nausea or vomiting, rash, hallucinations, confusion, difficulty in breathing. Complete full course of therapy even if you feel better. Do not have sexual intercourse when visible lesions are present. Take sufficient amount of fluids (2-3 litres per day) to maintain hydration, unless restricted by the prescriber.

Full information on Acyclovir, Inf/Oral →

Interactions with Acyclovir, Inf/Oral

Probenecid, cimetidine, mycophenolate mofetil, cyclosporin, tacrolimus, theophylline.

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Compiled by Healify Pharmacy from published drug references. How we compile it →

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