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Coumadin (warfarin) Drug Interactions

A total of 583 drugs are known to interact with Coumadin (warfarin).

  • 134 major drug interactions
  • 380 moderate drug interactions
  • 69 minor drug interactions

Show all medications in the database that may interact with Coumadin (warfarin).

Check for interactions

Type in a drug name to check for interactions with Coumadin (warfarin).

Most frequently checked interactions

View interaction reports for Coumadin (warfarin) and the medicines listed below.

Coumadin (warfarin) alcohol/food interactions

There are 5 alcohol/food interactions with Coumadin (warfarin)

Coumadin (warfarin) disease interactions

There are 8 disease interactions with Coumadin (warfarin) which include:

Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.