Zovirax: what's in it, and is it OK in pregnancy?
Zovirax is a brand name, not a single medicine. What matters in pregnancy and while breastfeeding is what's inside it.
In short
Zovirax contains aciclovir.
What's in Zovirax
| Product (as NPPA lists it) | Composition (NPPA's wording) | Company |
|---|---|---|
| ZOVIRAX 200 MG TABLET 5 | “ACICLOVIR TABLET 200 MG” | GLAXOSMITHKLINE PHARMACEUTICALS LTD. |
| ZOVIRAX 250 MG INFUSION 10 ML | “ACICLOVIR INFUSION 250 MG” | GLAXOSMITHKLINE PHARMACEUTICALS LTD. |
| ZOVIRAX 400 MG SUSPENSION 100 ML | “ACICLOVIR SUSPENSION 400 MG” | GLAXOSMITHKLINE PHARMACEUTICALS LTD. |
| ZOVIRAX 400 MG TABLET 10 | “ACICLOVIR TABLET 400 MG” | GLAXOSMITHKLINE PHARMACEUTICALS LTD. |
| ZOVIRAX 800 MG TABLET 5 | “ACICLOVIR TABLET 800 MG” | GLAXOSMITHKLINE PHARMACEUTICALS LTD. |
Same brand name can cover different products — check your pack.
Pregnancy and breastfeeding: read the ingredient page
This page gives no pregnancy or breastfeeding verdict of its own. Talk to your doctor or pharmacist before taking Zovirax in pregnancy or while breastfeeding.
Sources
- Composition per NPPA Pharma Sahi Daam (National Pharmaceutical Pricing Authority, Government of India) data (Jul 2026): Pharma Sahi Daam, brand “ZOVIRAX”.
Sources checked 26 September 2026. How we source and check every page.
Educational information, not medical advice.