Clexane

Injection (syringe) · Sanofi
PRESCRIPTION MEDICINE

Clexane is a injection (syringe) made by Sanofi that contains Enoxaparin 40 or 60 mg (several strengths). Enoxaparin is a blood thinner injection (heparin): prevents and treats blood clots, for example after surgery or in heart attacks.

Ingredient (salt)Amount
Enoxaparin40 or 60 mg (several strengths)

What it is used for

Prevents and treats blood clots, for example after surgery or in heart attacks.

How it works

A low-molecular-weight heparin injection that prevents and treats clots, for example after surgery, in pregnancy and during hospital stays.

How to take it

Injected under the skin of the tummy once or twice a day; do not rub the site.

Common side effects

  • Bruising at injection site
  • Bleeding

Get medical help straight away if

  • Serious bleeding
  • New clots or a sudden drop in platelets

Be careful

Increases bleeding risk; injected under the skin as shown by a nurse.

Other medicines and interactions

Bleeding risk higher with NSAIDs, aspirin and other blood thinners.

Pregnancy and breastfeeding

The preferred blood thinner in pregnancy; safe while breastfeeding.

Common questions

What is Clexane?

Clexane is a injection (syringe) by Sanofi containing Enoxaparin 40 or 60 mg (several strengths).

What is Clexane used for?

Prevents and treats blood clots, for example after surgery or in heart attacks.

How should I take Clexane?

Injected under the skin of the tummy once or twice a day; do not rub the site. Always follow the dose your doctor or the pack gives.

What are the side effects of Clexane?

Common side effects include: Bruising at injection site, bleeding. Get medical help straight away for: Serious bleeding, new clots or a sudden drop in platelets.

Does Clexane 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 Clexane in pregnancy or while breastfeeding?

The preferred blood thinner in pregnancy; safe while breastfeeding.

What are the substitutes for Clexane?

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.

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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.