How to Take Acyclovir and Dose of Acyclovir


Find out how to take Acyclovir (drug) and its dose. Describes the best time to take the drug and precautions if any that should be followed.

How to take Acyclovir


How it should be taken  

It comes as a tablet, suspension to take by mouth, with or without food. It comes as cream, ointment to apply over the affected area. It also comes as a solution for injection to be administered by a healthcare provider into the vein.

Dosage & When it is to be 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.
Treatment of Chickenpox: Children (2 years of age and older): 20 mg/kg per dose orally 4 times daily (80 mg/kg/day) for 5 days.
Adults and Children over 40 kg: 800 mg 4 times daily for 5 days.

When it is not to be taken (Contraindications) 

Hypersensitivity.

Why it is prescribed (Indications)  

This medication is an antiviral agent, prescribed for herpes simplex, genital herpes, herpes zoster and chickenpox. It slows down the growth and spread of the herpes virus. Acyclovir is also sometimes used to treat eczema herpeticum, herpes infections of the skin, eyes, nose, and mouth in patients with human immunodeficiency virus (HIV), and to treat oral hairy leukoplakia a condition that causes hairy white or gray-colored patches on the tongue or inside of the cheek. 

Pregnancy Category

Category B : Animal reproduction studies have failed to demonstrate a risk to the fetus and there are no adequate and well-controlled studies in pregnant women OR Animal studies have shown an adverse effect, but adequate and well-controlled studies in pregnant women have failed to demonstrate a risk to the fetus in any trimester.

Warnings and Precautions  

It may cause sunburn easily, avoid exposure to sunlight or wear proper clothes.
Caution should be exercised in patients with history of kidney disease, any allergy, during pregnancy and breast-feeding.
It may lead to dehydration, drink adequate water or liquid.
It may cause dizziness, drowsiness or lightheadedness, do not drive a car or operate machinery while taking this medication.
After applying this medication wash your hands thoroughly to prevent passage of infection to others.
Avoid sexual intercourse or use condom to prevent the spread of virus.

Storage Conditions  

Store it at room temperature (15 to 25C) and protect from moisture.
Buy Medication (Drug) at Concessional Price from India

Drugs A - Z

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Drugs Search

Medindia Newsletters

Subscribe to our Free Newsletters!

Terms & Conditions and Privacy Policy.

Find a Doctor

Stay Connected

  • Available on the Android Market
  • Available on the App Store