penicillins-injection (cont.)

PRECAUTIONS: Before taking this penicillin, tell your doctor or pharmacist if you are allergic to it; or to other penicillins or other antibiotics; or if you have any other allergies. Before using this medication, tell your doctor or pharmacist your medical history, especially of: other illnesses. Some injectable penicillins contain sodium; this could affect you if you are on a salt-restricted diet or if you have a condition which could be worsened with an increase in salt intake (e.g., congestive heart failure). If this pertains to you, check with your pharmacist to see if your brand contains sodium. If so, contact your doctor for more information. Use of this medication for prolonged or repeated periods may result in a secondary infection (e.g., oral, bladder or vaginal yeast infection). 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.

DRUG INTERACTIONS: Tell your doctor of all the medications you use (prescription and nonprescription), especially of: probenecid, tetracyclines, ACE inhibitors (e.g., captopril). This drug may interfere with the effectiveness of birth control pills. Discuss using other methods of birth control with your doctor. Do not start or stop any medicine without doctor or pharmacist approval.

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You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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