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Phenytoin and Trimethoprim: Moderate Interaction - Drugvu

🏠›Phenytoin›Interaction with Trimethoprim

Phenytoin + Trimethoprim

Drug interaction

Moderate interaction

A moderate drug-drug interaction between Phenytoin and Trimethoprim is recorded in public interaction data. Severity reflects the source classification; it does not describe your individual risk. Do not start, stop, or change either medicine based on this page.

What “moderate” means

A moderate interaction can matter in some people. The combination is sometimes used, but usually with caution - monitoring, timing changes, or dose adjustments.

What to do

Mention this combination to your pharmacist or prescriber. Do not stop either medicine without advice.

The two medicines

Active ingredient

Phenytoin

Hydantoin Derivatives

Uses, side effects, dosage →· 810 recorded interactions

Active ingredient

Trimethoprim

Trimethoprim and Derivatives

Uses, side effects, dosage →· 241 recorded interactions

Source

DDInter 2.0 (CC-BY 4.0, https://ddinter.scbdd.com)

This is not medical advice. Drugvu is an independent aggregator of public records.