Zovirax 400
Zovirax 400 is a tablet made by GSK that contains Acyclovir (400 mg). It is commonly used for: Chickenpox (adults and high-risk); Shingles; Cold sores.
Composition
Acyclovir
Strength
400 mg
Form
Tablet
Manufacturer
GSK
System
Allopathy
Type
Single salt
Prescription
Prescription onlyPrescription required
Check the current MRP printed on the pack or with your pharmacist; prices change and many are capped by NPPA.
Uses
- Chickenpox (adults and high-risk)
- Shingles
- Cold sores
- Genital herpes
About Acyclovir
Acyclovir: How to take
Start as early as possible; drink plenty of water.
Acyclovir: Common side effects
- Nausea
- Headache
- Diarrhoea
Acyclovir: Serious side effects — get medical help
- Kidney injury
- Confusion (in elderly or kidney disease)
Acyclovir: Who should not take it
- Allergy to acyclovir
Acyclovir: Interactions
- Other kidney-affecting drugs
Acyclovir: Pregnancy & breastfeeding
Used in pregnancy when needed.
Acyclovir: Alcohol & driving
No specific restriction.
Acyclovir: Storage
Store below 30°C.
Other brands with the same composition
Frequently asked questions
What is Zovirax 400 used for?
Chickenpox (adults and high-risk), Shingles, Cold sores, Genital herpes
What is the composition of Zovirax 400?
Acyclovir 400 mg
What are the side effects of Zovirax 400?
Nausea, Headache, Diarrhoea
Who makes Zovirax 400?
GSK
Medically reviewed by
Medical review pending
Last updated
11 October 2026
Sources
- Manufacturer product information and pack label
- CDSCO approved drug information
- National Formulary of India
This information is for general awareness and does not replace advice from a qualified doctor. Do not start, stop or change any medicine without medical advice.