Acid Relief Oral

In Depth

immune system problems
kidney problems
liver problems
certain lung diseases (chronic obstructive pulmonary disease-COPD)
diabetes
other stomach problems (e.g., tumors)

Before taking non-prescription cimetidine for self-treatment, talk with your doctor or pharmacist first if you have any of the following symptoms. These may be signs of a more serious condition. Consult your doctor or pharmacist immediately if you have:

difficulty/pain with swallowing food
persistent nausea/vomiting
bloody vomit
vomit that looks like coffee grounds
bloody/black stools
frequent chest pain
persistent stomach pain
heartburn for more than 3 months
trouble breathing with heartburn

If you are prescribed cimetidine or are considering non-prescription cimetidine for self-treatment, tell your doctor immediately if you have any of these other symptoms that may actually be signs of a more serious condition:

heartburn combined with lightheadedness/sweating/dizziness
chest/shoulder/jaw pain (especially with trouble breathing)
pain spreading to arms/neck/shoulders
unexplained weight loss

This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.

Do not use this medication to treat children younger than 12 unless directed by the doctor.

Kidney function declines as you grow older. This medication is removed by the kidneys. Therefore, the elderly may be at greater risk for side effects while using this drug, especially confusion and lung infection (pneumonia).

Cimetidine should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor.

Cimetidine passes into breast milk. Consult your doctor before breast-feeding.

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