Enoxaparin: uses, side effects & brands

Written & medically reviewed by Dr. Sanjay Anbu, MBBS · Last reviewed 5 November 2026

Enoxaparin is a low-molecular-weight heparin injection to prevent and treat clots. It belongs to the Injectable blood thinner (heparin) group. These fast-acting injectable anticoagulants prevent and treat clots.

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Drug type — dosing is set by your doctor

Measure	Range
Drug class	Injectable blood thinner (heparin)
Type	Prescription
Dose	Individual — ask your doctor or pharmacist

What it is used for

Preventing clots after surgery or during hospital stays
Treating deep vein thrombosis and lung clots
Heart attack and unstable angina treatment
Clot prevention in pregnancy when needed

Common brand names

India: Clexane, Lomoh, Enoxion
Worldwide: Lovenox, Clexane

Common side effects

Bruising at injection sites
Minor bleeding
Pain or lumps where injected

Before taking it — precautions

Kidney problems may need dose changes
Tell the doctor about bleeding problems, ulcers or recent surgery
Avoid painkillers like ibuprofen or aspirin unless advised; ask about spinal anaesthesia

When to see a doctor urgently

Black stools, vomiting blood or blood in urine (urgent)
Severe headache or sudden weakness (urgent)
Back pain with leg numbness after an epidural (urgent)

Not a prescription — no dose shown. The right dose of enoxaparin depends on age, weight, kidney/liver function and the condition, so MedDroid does not show a dose here. Always get your dose from a doctor or pharmacist and the leaflet inside the pack. General educational information only.

Frequently asked questions

How do I inject enoxaparin?

Into the fatty skin of the tummy, rotating sides, without rubbing afterwards. A nurse can show you.

Is it safe in pregnancy?

Yes, heparins like enoxaparin do not cross the placenta and are the usual choice when a blood thinner is needed in pregnancy.

Why do I get bruises?

Small bruises at the injection site are common and harmless. Report large or unexplained bruising.

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Sources & further reading

Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.