Medications and Drugs

GENERIC NAME: CIMETIDINE 100MG - ORAL (sye-MET-uh-deen)

BRAND NAME(S): Tagamet HB

Medication Uses | How To Use | Side Effects | Precautions | Drug Interactions | Overdose | Notes | Missed Dose | Storage

USES: This medication blocks secretion of acid from the stomach. It is used to relieve heartburn and acid indigestion.

HOW TO USE: This medication is taken by mouth. As symptoms occur, take 2 tablets with water or follow your doctor's instructions. This medication can be taken up to 2 times per day (4 tablets in 24 hours). Do not take 4 tablets per day continuously for more than 2 weeks without your doctor's approval. If you are taking antacids in addition to this medication, stagger the doses so they are not taken at the same time. Try to space dosing of this medication and antacids by at least 2 hours.

SIDE EFFECTS: Although unlikely at usual doses, headache, sleepiness, dizziness may occur as your body adjusts to the medication. Hair loss, increased sweating, anxiety, change in sex drive, and change in taste perceptions may also occur. If any of these effects continue or become bothersome, inform your doctor. Notify your doctor if you develop: a skin rash, hives, a change in heartbeat, jaundice, diarrhea, mental confusion, depression, trouble urinating, joint or muscle pain, breathing difficulty. Notify your doctor immediately if you notice: black tarry stools, "coffee ground" vomit. If you notice other effects not listed above, contact your doctor or pharmacist.

PRECAUTIONS: Before using this medication, tell your doctor or pharmacist your medical history, especially of: heartburn combined with lightheadedness or sweating or dizziness, chest pain or shoulder/jaw pain especially with shortness of breath, pain spreading to arms or neck or shoulders, unexplained weight loss, liver or kidney problems, other stomach problems (e.g., tumors), any allergies (including drug allergies). Elderly persons may be more sensitive to the effects of this medication. This medication should be used only if clearly needed during pregnancy. Discuss the risks and benefits with your doctor. Since small amounts of this medication are found in breast milk, consult your doctor before breast-feeding.