Clexane Injection Dosage Guide in Pakistan

Taking the correct dose of Clexane Injection is critical for safe and effective anticoagulation. This guide provides general information on dosing and what to do about a missed dose. Always follow your doctor's exact prescription.

Compiled by the PakVita Editorial Team · AI-assisted drafting with editorial review · Sourced from DRAP, WHO, BNF · Last updated: 2026-07-09

Dosage Guide

Quick Answer

The dose of Clexane Injection is prescribed by your doctor and is weight-based and indication-specific. For DVT prevention after surgery, a common dose is 40mg subcutaneously once daily. Treatment doses for DVT and PE are higher and weight-based. Never adjust the dose without your doctor's instruction.

Dose at a Glance

Adult Dose

Weight-based and indication-specific — as prescribed by your doctor

Once or twice daily subcutaneous injection, as directed

Max: Never exceed the dose prescribed by your doctor

Child Dose (As per doctor's advice)

As prescribed by specialist — not for self-administration in children

As directed by your doctor

Missed Dose

If you miss a dose, inject it as soon as you remember. If the next dose is close, skip the missed dose. Never inject a double dose. Contact your doctor if you are unsure.

Overdose

In case of overdose, contact a doctor or emergency room immediately. An overdose of Clexane Injection can cause serious bleeding, which is a medical emergency.

Clexane Injection Dosage (Kitni leni hai)

Correct dosage of Clexane Injection is critical for safe anticoagulation. Always follow your doctor's prescription exactly — do not adjust the dose without medical advice.

Adult Dose (Baalgon ke liye)

As prescribed by your doctor — dose is weight-based and indication-specific
For DVT prevention (surgical patients): typically 40mg once daily subcutaneously
For DVT treatment / PE: typically 1mg/kg body weight twice daily subcutaneously
Never inject a double dose if you miss a scheduled injection

Starting Dose: As determined by your doctor based on your weight and condition

Usual Dose: As prescribed — once or twice daily subcutaneous injection

Max Dose: Never exceed your doctor's prescribed dose

Child Dose (Bachon ke liye)

As prescribed by specialist — dosing in children requires specialist calculation and is not for self-administration.

How to Take (Kaise lena hai)

Inject subcutaneously (under the skin) — NOT into a muscle or vein
The abdomen (belly area), away from the navel, is the standard injection site
Rotate injection sites to avoid bruising or hardening of tissue
Your doctor or nurse will train you on the correct injection technique

Best Time to Take (Kab lena chahiye)

At the same time each day as prescribed
For twice-daily dosing: consistent 12-hour intervals

With Food or Empty Stomach (Khali pait ya khane ke baad)

Clexane Injection is a subcutaneous injection and is not affected by food or meals.

Missed Dose (Dose chhoot jaye to kya karein)

Inject the missed dose as soon as you remember. If the next dose is close, skip the missed dose. Never inject a double dose. If you regularly miss doses, contact your doctor — consistent anticoagulation is important for safety.

Overdose (Zyada Dose)

If you inject more than the prescribed dose, seek emergency medical care immediately. Clexane overdose can cause serious internal bleeding. The antidote is protamine sulphate, administered in hospital.

Dose Summary Table

Patient	Dose	Notes
DVT Prevention (post-surgical)	40mg once daily subcutaneously	Doctor-prescribed
DVT/PE Treatment	1mg/kg twice daily subcutaneously	Weight-based; doctor-prescribed
Child	As prescribed by specialist	Not for self-calculation

The information in this guide is for educational purposes only. Always confirm the dose with your doctor or pharmacist.

Frequently Asked Questions

What is the standard adult dose of Clexane Injection?

The dose is weight-based and depends on the indication. For DVT prevention after surgery, 40mg once daily is common. For DVT treatment, the dose is higher and weight-based (typically 1mg/kg twice daily). Always follow your doctor's prescription exactly.

What should I do if I miss a dose of Clexane Injection?

Inject the missed dose as soon as you remember. If the next dose is close, skip the missed dose and continue on schedule. Never inject a double dose. Contact your doctor if you are unsure.

Can Clexane Injection be taken on an empty stomach?

Clexane Injection is administered subcutaneously (under the skin) and is not related to food intake. Inject as prescribed regardless of meal timing.

What happens if I take too much Clexane Injection?

Overdose of Clexane can cause serious bleeding including internal bleeding. This is a medical emergency. Contact a doctor or go to the nearest emergency room immediately. Protamine sulphate is the antidote.

How long should I take Clexane Injection?

Duration depends on the clinical indication. For post-surgical DVT prevention, treatment is typically 7–14 days. For DVT treatment, it may be several weeks until transition to an oral anticoagulant. Your doctor will determine the duration.

Sources

DRAP Registered Products Database — Drug Regulatory Authority of Pakistan
WHO Model List of Essential Medicines, 23rd ed. (2023) — World Health Organization
British National Formulary (BNF) — BMJ Group & Pharmaceutical Press

Medical disclaimer

This page is for educational use only and does not replace professional medical advice. Always confirm diagnosis, dose, and interactions with a qualified doctor or pharmacist before starting or changing any medicine.