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cimetidine - injection, Tagamet (cont.)

PRECAUTIONS: Before using cimetidine, tell your doctor or pharmacist if you are allergic to it; or to other H2 blockers (e.g., ranitidine); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.Before using this medication, tell your doctor or pharmacist your medical history, especially of: heart problems (e.g., irregular heartbeat), immune system problems, kidney disease, liver problems, lung diseases (e.g., chronic obstructive pulmonary disease-COPD).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.Kidney function declines as you grow older. This medication is removed by the kidneys. Therefore, elderly people may be at greater risk for side effects (e.g., confusion) while using this drug.During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.This medication passes into breast milk. Consult your doctor before breast-feeding.

DRUG INTERACTIONS: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.Some products that may interact with this drug include: atazanavir, azole antifungals (e.g., itraconazole, ketoconazole), carmustine, cisapride, clopidogrel, dasatinib, dofetilide, epirubicin, metformin, moclobemide, moricizine, procainamide, quinidine, silver sulfadiazine, drugs removed from your body by certain liver enzymes (such as lidocaine, metoprolol, metronidazole, propranolol, tacrine, theophylline, warfarin, zaleplon, narcotic analgesics including codeine, tricyclic antidepressants including amitriptyline, anti-seizure drugs including carbamazepine and phenytoin, benzodiazepines including diazepam, calcium channel blockers including nifedipine).Cigarette smoking can affect this medication. Tell your doctor if you smoke and if you stop or start smoking while using this medication.This medication and similar H2 blockers (e.g., famotidine, nizatidine, ranitidine) are available both with and without a prescription. Do not use them at the same time.



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