Skip to Content

Phenytoin Drug Interactions

A total of 683 drugs are known to interact with phenytoin.

  • 123 major drug interactions
  • 513 moderate drug interactions
  • 47 minor drug interactions

Show all medications in the database that may interact with phenytoin.

Check for interactions

Type in a drug name to check for interactions with phenytoin.

Most frequently checked interactions

View interaction reports for phenytoin and the medicines listed below.

Phenytoin alcohol/food interactions

There is 1 alcohol/food interaction with phenytoin

Phenytoin disease interactions

There are 12 disease interactions with phenytoin 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.

Hide