PRECAUTIONS: Tell your doctor your medical history, especially of: kidney problems, severe burns, cystic fibrosis, muscle problems (e.g., myasthenia gravis, Parkinson's disease, botulism), dehydration, ear/hearing problems or problems with balance (vestibular problems), any allergies (especially to sulfites or to aminoglycosides such as gentamicin or streptomycin). Caution is advised when using this drug in young infants because they may be more sensitive to the effects of this drug (e.g., may cause kidney problems). Caution is advised when using this drug in the elderly because they may be more sensitive to the effects of this drug (e.g., may cause kidney problems). This medication is not recommended for use during pregnancy. Consult your doctor before using this drug. This drug passes into breast milk. Because of the potential risk to the infant, breast-feeding while using this medication is not recommended. Consult your doctor before breast-feeding.

DRUG INTERACTIONS: Tell your doctor of all prescription and nonprescription medication you may use, especially: penicillin antibiotics (e.g., penicillin, ampicillin), cephalosporin antibiotics (e.g., cefazolin, cefotetan), acyclovir, vancomycin, amphotericin B, bacitracin, colistin, cisplatin, cyclosporine, drugs for water loss (diuretics such as furosemide, ethacrynic acid, or mannitol), anesthesia or muscle relaxing agents (e.g., succinylcholine, tubocurarine), certain blood products (citrate- anticoagulated blood), anti-nausea drugs (e.g., dimenhydrinate), aspirin and/or NSAIDs (e.g., ibuprofen, naproxen). Do not start or stop any medicine without doctor or pharmacist approval.

OVERDOSE: If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly. Symptoms of overdose may include: ringing in the ears, change in amount of urine.

Report Problems to the Food and Drug Administration 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. Need help identifying pills and medications? Use the pill identifier tool on RxList.