Inhibit gastric acid secretion. It can significantly inhibit basal and nocturnal gastric acid secretion, as well as gastric acid secretion caused by histamine, peptide gastrin, insulin and food.

It also reduces the acidity, prevents and protects corrosive gastritis caused by chemical stimulation, and also has obvious effects on stress gastric ulcers and upper gastrointestinal bleeding.

It is used to treat duodenal ulcer, gastric ulcer, upper gastrointestinal bleeding, chronic colitis, herpes zoster, chronic urticaria and other diseases. It has certain effects on fighting viruses and enhancing immunity.

Extended information

Contraindications

1. Those allergic to cimetidine.

2. Since cimetidine can pass through the placental barrier and enter breast milk, it is contraindicated in pregnant and lactating women to avoid causing liver dysfunction in fetuses and infants.

3. There have been reports of acute pancreatitis caused by the use of cimetidine in both animal experiments and clinical studies. Therefore, cimetidine should not be used in patients with acute pancreatitis.

Reference: Baidu Encyclopedia - Cimetidine