Avil 25

Tablet · Sanofi
PRESCRIPTION MEDICINE

Avil 25 is a tablet made by Sanofi that contains Pheniramine 25 mg. Pheniramine is a antihistamine (older type): treats allergic reactions, itching and hives.

Ingredient (salt)Amount
Pheniramine25 mg

What it is used for

Treats allergic reactions, itching and hives.

How it works

An older sedating antihistamine, often given by injection for allergic reactions or used in eye drops and syrups.

How to take it

Tablets usually 22.5 to 45 mg up to three times a day. Do not drive if drowsy.

Common side effects

  • Drowsiness
  • Dry mouth
  • Blurred vision
  • Constipation

Get medical help straight away if

  • Confusion or fast heartbeat
  • Inability to pass urine

Be careful

Causes drowsiness; avoid driving and alcohol.

Other medicines and interactions

Stronger drowsiness with alcohol, opioids and sedatives.

Pregnancy and breastfeeding

Ask a doctor before using in pregnancy; avoid while breastfeeding if possible.

Same ingredients, different strength or form

Avil Injection

Common questions

What is Avil 25?

Avil 25 is a tablet by Sanofi containing Pheniramine 25 mg.

What is Avil 25 used for?

Treats allergic reactions, itching and hives.

How should I take Avil 25?

Tablets usually 22.5 to 45 mg up to three times a day. Do not drive if drowsy. Always follow the dose your doctor or the pack gives.

What are the side effects of Avil 25?

Common side effects include: Drowsiness, dry mouth, blurred vision, constipation. Get medical help straight away for: Confusion or fast heartbeat, inability to pass urine.

Does Avil 25 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 Avil 25 in pregnancy or while breastfeeding?

Ask a doctor before using in pregnancy; avoid while breastfeeding if possible.

What are the substitutes for Avil 25?

We have no other brand with exactly the same composition and strength in our list yet. Ask your pharmacist for an equivalent.

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.

🔎 Search another medicine

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.