AnticoagulantPrescription only
Dabigatran
Tablet or capsule
Quick Summary
Dabigatran stops blood clots forming or growing. Unlike warfarin, it doesn't need regular INR blood tests.
Atrial fibrillation
DVT and pulmonary embolism
Medical Uses
Atrial fibrillation: Preventing stroke.
DVT and pulmonary embolism: Treatment and prevention.
How it's taken
Swallow capsules whole with water.
Your doctor decides the right dose for you and how long to take it.
Your doctor decides the right dose for you. Follow their instructions and the label.
Common Side Effects
Bleeding
Bruising, nosebleeds, bleeding gums.
Indigestion
Sometimes.
Anaemia
From bleeding.
Interactions
Other blood thinners and NSAIDs
Increase bleeding.
Some antifungals and HIV medicines
Raise levels.
Critical Warnings
Bleeding
Black Box Warning: Seek urgent help for black stools, vomiting blood, severe headache or bleeding that won't stop.
Tell all doctors and dentists
Before surgery or procedures.
Don't stop suddenly
Without medical advice.
Sources and further reading
Last updated 21 October 2026. For more detail, see these trusted health organisations.
- Dabigatran: drug information(opens in a new tab) · MedlinePlus, US National Library of Medicine