Home › Severe Interactions › Phenytoin & Efavirenz
SEVERE

Phenytoin and Efavirenz Interaction

Phenytoin slightly decreases the exposure to Efavirenz and Efavirenz affects the concentration of Phenytoin. Manufacturer advises monitor concentration.

Evidence: Theoretical
View all Phenytoin interactions View all Efavirenz interactions

Other Phenytoin Interactions

Other Efavirenz Interactions

    Check interactions for your patient's full medication list

    InteractRx checks all drug combinations at once — built for GP surgery pharmacists.

    Use the Free Checker