Clozapine · larger labeled portfolio than Terbinafine

SPL labels Terbinafine + Clozapine as minor; Terbinafine 16 / Clozapine 39 in that band.

Mechanism on file: Terbinafine blocks the enzymes that normally clear clozapine from your system, which can lead to higher levels of clozapine and more side effects.

FDA SPL severity: Minor

Terbinafine

Full Terbinafine label record

Allylamine Antifungal

Clozapine

Full Clozapine label record

Atypical Antipsychotic

Terbinafine + Clozapine · SPL mechanism field

Terbinafine blocks the enzymes that normally clear clozapine from your system, which can lead to higher levels of clozapine and more side effects.

Minor band excerpt · Terbinafine with Clozapine

CYP2D6 and CYP3A4 Inhibitors Concomitant treatment with VERSACLOZ and CYP2D6 or CYP3A4 inhibitors (e.g., cimetidine, escitalopram, erythromycin, paroxetine, bupropion, fluoxetine, quinidine, duloxetine, terbinafine, or sertraline) can increase clozapine levels and lead to adverse reactions [see Clinical Pharmacology (12.3) ] .

Terbinafine · 16 minor + 17 total pairs

View all Terbinafine interactions →

Clozapine · 42 SPL pairs (broader portfolio than Terbinafine)

View all Clozapine interactions →

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