Cimetidine / Tymidin Cimetidine CategoryReversible H2 receptor antagonistActionInhibit the secretion of gastric acidIndicationGastritis, Peptic ulcersDoseCats @ 2.5mg/kg PO IV IMDog @ 5-10mg/kg BID PO IV IM ContraindicationsConstipationDiarrhoeaSkin rashesAdverse EffectsNAAvailabilityTab Cimetidine 200 mgTab Ulciban 200 mg and 400 mgTab Tymidin 200mg and 400mg DOSE CALCULATOR