Cimetidine · more major-labeled pairs than Terbinafine

SPL labels Terbinafine + Cimetidine as minor; Terbinafine 16 / Cimetidine 63 in that band.

Mechanism on file: Cimetidine slows down the process of removing terbinafine from your body by blocking certain liver enzymes.

FDA SPL severity: Minor

Terbinafine

Full Terbinafine label record

Allylamine Antifungal

Cimetidine

Full Cimetidine label record

H2 Receptor Antagonist

Terbinafine + Cimetidine · SPL mechanism field

Cimetidine slows down the process of removing terbinafine from your body by blocking certain liver enzymes.

Minor band excerpt · Terbinafine with Cimetidine

Drug interactions have also been noted with cimetidine, fluconazole, cyclosporine, rifampin, and caffeine. Terbinafine clearance is increased 100% by rifampin, a CYP450 enzyme inducer, and decreased 33% by cimetidine, a CYP450 enzyme inhibitor.

Terbinafine · 16 minor + 17 total pairs

View all Terbinafine interactions →

Cimetidine · 4 major-labeled pairs (vs Terbinafine's 0)

View all Cimetidine interactions →

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