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👤 Adult👶 Paediatric

Warfarin Sodium

Clinically reviewed by MedNext Clinical Team. Last reviewed 1 January 2026. See our editorial policy and correction policy.

33 known interactions (1 severe)
4 brand names

Indications

  • Prophylaxis of embolisation in rheumatic heart disease and atrial fibrillation, Prophylaxis after insertion of prosthetic heart valve, Prophylaxis and treatment of venous thrombosis and pulmonary embolism, Transient ischaemic attacks

Drug Interactions

1 SevereModerate interactionsMinor interactions

33 drug interactions identified for Warfarin Sodium. Check the full interaction details, severity ratings, and clinical recommendations in the MedNext app.

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Safety Information

🤰Pregnancy guidance available
🤱Breastfeeding guidance available
🫘Renal impairment guidance
🫁Hepatic impairment guidance
⚠️Requires renal dose adjustment

Cautions

vitamin K antagonists Bacterial endocarditis (use only if warfarin otherwise indicated); conditions in which risk of bleeding is increased; history of gastro-intestinal bleeding; hyperthyroidism; hypo

Side Effects

vitamin K antagonists Common or very common Haemorrhage Rare or very rare Alopecia; nausea; vomiting Frequency not known Blue toe syndrome; CNS haemor...

Full safety information, contraindications, and dosing available in the MedNext app.

Brand Names

Warf(IN)Coumadin(IN, PK, SA, AE, ZA)+ 2 more in app
Mn

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In the MedNext App

  • Complete dosing regimens
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  • All 4 brand names
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Source: MedNext Audited Proprietary Dataset

Last reviewed: 2026

Reviewer: MedNext Clinical Team

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Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice. Always consult a qualified healthcare professional before making clinical decisions. Verify all drug information with current clinical guidelines.

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