Cimetidine is used to treat ulcers of the stomach and intestines and prevent them from coming back after they have healed. This medication is also used to treat certain stomach and throat (esophagus) problems caused by too much stomach acid (such as Zollinger-Ellison syndrome, erosive... Cimetidine belongs to a class of drugs commonly called H2 blockers. It works by reducing the amount of acid in your stomach. This medication is also available without a prescription. It is used to treat occasional heartburn caused by too much acid in the stomach (also called acid indigestion or sour stomach). It is also used to prevent heartburn and acid indigestion caused by certain foods and beverages. If you are taking this medication for self-treatment, it is important to read the manufacturer's package instructions carefully so you know when to consult your doctor or pharmacist. (See also Precautions.) Do not use this medication to treat children younger than 12 unless directed by the doctor. View More Info

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