Ranitidine is Antihistaminic and used as Antacid but not an Antacid.
Composition – Tab – 150mg
Syrup – 15mg/ml
Class – Antihistaminic
Mechanism Of Action
Ranitidine is a competitive inhibitor of histamine H2-receptors. The reversible inhibition of H2-receptors in gastric parietal cells results in a reduction in both gastric acid volume and concentration.
In duodenal and gastric Ulcer
4 – 8 mg/kg/day BD & Max 300mg/day
Maintenance Dose – 2 – 4 mg/kg/day OD
Max – 150mg /day
Adult Dose – 150mg BD Or OD As Advised
Used As – Used as Antacid in lowering level of gastric Acid
Contraindicated – May be not safe in Pregnancy