Drug Interaction Checker

Select 2 or more medicines to check for interactions

Browse all 6278 known interactions

Try an example

Add 1 medicine to see all its known interactions, or 2+ to check between them

Important: This tool uses data from the British National Formulary (BNF 85) and may not include all possible interactions. It is intended for informational purposes only and is not a substitute for professional medical advice. Always consult a healthcare professional before making changes to medication.