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Phenytoin Drug Interactions

A total of 1265 drugs are known to interact with phenytoin.

  • 210 major drug interactions
  • 987 moderate drug interactions
  • 68 minor drug interactions

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

Check for interactions with phenytoin

Type in a drug name and select a drug from the list.

Common medications checked in combination with phenytoin

Phenytoin alcohol/food interactions

There is 1 alcohol/food interaction with phenytoin

Phenytoin disease interactions

There are 11 disease interactions with phenytoin which include:

Drug Interaction Classification

The classifications below are a general guideline only. It is difficult to determine the relevance of a particular drug interaction to any individual given the large number of variables.
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 information available.

Do not stop taking any medications without consulting your healthcare provider.

Further information

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