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Cimetidine is an active ingredient, which is a Histamine-2 Receptor Antagonist. It is used for the treatment of acid-peptic disease and heartburn. It works by inhibiting the production of acid in the stomach. It plays the role of an H2-receptor antagonist, a P450 inhibitor, an anti-ulcer drug, an analgesic, and an adjuvant.

Class of Drugs – H2 blockers

Molecular Formula – C10H16N6S

Molecular Weight – 252.34 g/mol

Working: This medication blocks the production of acid by acid-producing cells in the stomach H2-blockers inhibit the action of histamine on the cells so as to reduce the production of acid by the stomach. Due to excessive stomach acid esophagus, stomach, and duodenum can be damage by reflux and lead to inflammation and ulceration. Reducing stomach acid prevents and allows acid-induced inflammation and ulcers to heal.

Uses: The given H2 blocker medicine Cimetidine is used to treat ulcers of the stomach and intestines. It is used to prevent ulcers from coming back after they have healed. This medicine treats certain stomach and throat problems caused by too much stomach acid or a backward flow of stomach acid into the esophagus. Reducing the extra stomach acid helps relieve symptoms such as stomach pain, heartburn, difficulty swallowing, persistent cough, and trouble sleeping. It can be used to prevent serious acid damage to the digestive system.

Popular Brands and Dosages: One of the popular brand medicines used this ingredient as the main active ingredient as given below:

  • Tagamet: 400 mg

Do not take more than 2 tablets of Cimetidine in 24 hours unless directed by the doctor. It should not be taken for more than 14 days in a row without discussing it with the doctor.