Generic name: cimetidine [ sye-ME-ti-deen ]
Brand names: Tagamet HB, Tagamet
Dosage forms: oral liquid (300 mg/5 mL); oral tablet (200 mg; 300 mg; 400 mg; 800 mg)
Drug class:H2 antagonists
What is cimetidine?
Cimetidine is a stomach acid reducer that is used to treat and prevent certain types of stomach ulcer. Cimetidine is also used to treat gastroesophageal reflux disease (GERD), when stomach acid backs up into the esophagus and causes heartburn.
Over-the-counter (nonprescription) cimetidine is used to treat heartburn with sour stomach and acid indigestion, or to prevent these conditions when caused by certain foods or beverages.
Cimetidine may also be used for purposes not listed in this medication guide.
Warnings
Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.
Before taking this medicine
Heartburn can mimic early symptoms of a heart attack. Get emergency medical help if you have chest pain that spreads to your jaw or shoulder and you feel anxious or light-headed.
You should not use cimetidine if you are allergic to cimetidine or other stomach acid reducers (such as ranitidine,
