Fluvir 75

Capsule · Hetero
PRESCRIPTION MEDICINE

Fluvir 75 is a capsule made by Hetero that contains Oseltamivir 75 mg. Oseltamivir is a antiviral (flu): treats and helps prevent influenza (flu), including H1N1.

Ingredient (salt)Amount
Oseltamivir75 mg

What it is used for

Treats and helps prevent influenza (flu), including H1N1.

How it works

An antiviral (Tamiflu) that stops flu viruses spreading in the body; shortens illness if started within 48 hours.

How to take it

Usually 75 mg twice a day for 5 days with food; once daily for 10 days for prevention.

Common side effects

  • Nausea
  • Vomiting
  • Headache

Get medical help straight away if

  • Confusion, unusual behaviour (mainly in children and teens)
  • Severe rash

Be careful

Works best if started within 2 days of symptoms; can cause nausea.

Other medicines and interactions

Do not take with the nasal live flu vaccine (2 weeks either side).

Pregnancy and breastfeeding

Recommended in pregnancy and while breastfeeding when flu is suspected; pregnant women are at higher risk from flu.

Same composition, other brands (1)

Tamiflu 75

Ask your doctor or pharmacist before switching brands.

Common questions

What is Fluvir 75?

Fluvir 75 is a capsule by Hetero containing Oseltamivir 75 mg.

What is Fluvir 75 used for?

Treats and helps prevent influenza (flu), including H1N1.

How should I take Fluvir 75?

Usually 75 mg twice a day for 5 days with food; once daily for 10 days for prevention. Always follow the dose your doctor or the pack gives.

What are the side effects of Fluvir 75?

Common side effects include: Nausea, vomiting, headache. Get medical help straight away for: Confusion, unusual behaviour (mainly in children and teens), severe rash.

Does Fluvir 75 need a prescription?

Yes. In India it is a prescription (Schedule H) medicine, so a pharmacist should sell it only with a doctor's prescription.

Can I take Fluvir 75 in pregnancy or while breastfeeding?

Recommended in pregnancy and while breastfeeding when flu is suspected; pregnant women are at higher risk from flu.

What are the substitutes for Fluvir 75?

Brands with the same composition: Tamiflu 75. Ask your doctor or pharmacist before switching.

Sources and further reading

NHS (UK National Health Service) and MedlinePlus (US National Library of Medicine) are free, reviewed medicine guides. Brand names and doses there may differ from India.

Composition checked against pack details from large Indian online pharmacies. Last reviewed 31 October 2026. Written by Satya Babu.

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For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.