Cimetidine / Ranitidine / Famotidine

GI & Antiemetics

Smart Dose Calculator

Calculated Induction Dose
--mg

Mechanism of Action

H2-receptor blockers that decrease gastric fluid volume and raise pH to reduce the risk of perioperative aspiration pneumonia.

Dosage Guidelines

TypeRouteRate / Dose
Dosage/GuidelineSystemicDose: Varies by agent.

Clinical Pearls

1

Decreases gastric fluid volume and raises pH to reduce aspiration pneumonitis risk. Cimetidine reduces diazepam metabolism.