Phenytoin · more major-labeled pairs than Alprazolam

SPL labels Phenytoin + Alprazolam as minor; Phenytoin 120 / Alprazolam 20 in that band.

Mechanism on file: Phenytoin can speed up how fast your body gets rid of alprazolam, which may make the medicine less effective.

FDA SPL severity: Minor

Phenytoin

Full Phenytoin label record

Anticonvulsant (Hydantoin)

Alprazolam

Full Alprazolam label record

Benzodiazepine

Phenytoin + Alprazolam · SPL mechanism field

Phenytoin can speed up how fast your body gets rid of alprazolam, which may make the medicine less effective.

Minor band excerpt · Phenytoin with Alprazolam

Examples Carbamazepine, phenytoin Ritonavir Clinical implication Interactions involving ritonavir and alprazolam are complex and time dependent.

Phenytoin · 4 major-labeled pairs (vs Alprazolam's 0)

View all Phenytoin interactions →

Alprazolam · 20 minor + 27 total pairs

View all Alprazolam interactions →

FDA Drug Labels (SPL) via openFDA. Registry display only. Not medical advice.