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Phenytoin and Sulfamethoxazole: Minor Interaction - Drugvu

🏠›Phenytoin›Interaction with Sulfamethoxazole

Phenytoin + Sulfamethoxazole

Drug interaction

Minor interaction

A minor drug-drug interaction between Phenytoin and Sulfamethoxazole 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 “minor” means

A minor interaction is usually of limited importance for most people, though it is still worth being aware of.

What to do

Usually no change is needed - but ask your pharmacist if you notice anything unusual.

Side effects reported for both

Phenytoin and Sulfamethoxazole are each reported to cause the effects below. Taking them together can make these more likely or more pronounced - one of the ways a drug interaction matters.

NauseaHeadacheFatigue

Compiled from public adverse-event reports; an overlap, not a confirmed causal mechanism.

The two medicines

Active ingredient

Phenytoin

Hydantoin Derivatives

Uses, side effects, dosage →· 810 recorded interactions

Active ingredient

Sulfamethoxazole

Intermediate-Acting Sulfonamides

Uses, side effects, dosage →· 268 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.