Cimetidine · more major-labeled pairs than Clozapine

SPL labels Clozapine + Cimetidine as minor; Clozapine 39 / Cimetidine 63 in that band.

Mechanism on file: Cimetidine blocks the liver enzymes that normally clear clozapine from your body. This causes clozapine levels to rise, which can lead to more side effects.

FDA SPL severity: Minor

Clozapine

Full Clozapine label record

Atypical Antipsychotic

Cimetidine

Full Cimetidine label record

H2 Receptor Antagonist

Clozapine + Cimetidine · SPL mechanism field

Cimetidine blocks the liver enzymes that normally clear clozapine from your body. This causes clozapine levels to rise, which can lead to more side effects.

Minor band excerpt · Clozapine with Cimetidine

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) ] .

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

View all Cimetidine interactions →

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