PRECAUTIONS: Before taking amoxicillin/clavulanic acid, tell your doctor or pharmacist if you are allergic to it; or to penicillin or cephalosporin antibiotics; or if you have any other allergies. This medication should not be used if you have certain medical conditions. Before using this medicine, consult the doctor or pharmacist if you have: a history of liver problems (e.g., cholestatic jaundice) associated with prior use of amoxicillin/clavulanic acid. Before using this medication, tell the doctor or pharmacist your medical history, especially of: liver disease, kidney disease, other infections (e.g., mononucleosis). This medicine may contain aspartame. If you have phenylketonuria (PKU) or any other condition where you must restrict your intake of aspartame (or phenylalanine), consult the doctor or pharmacist regarding the safe use of this medicine. This medication should be used only when clearly needed during pregnancy. Caution is advised if this medication is given before delivery for a certain condition (premature rupture of fetal membranes) due to a possible increased risk of harm to the newborn. Discuss the risks and benefits with your doctor. This medication passes into breast milk. Consult your doctor before breast-feeding.

DRUG INTERACTIONS: Before using this medication, tell the doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: allopurinol, live vaccines, methotrexate, probenecid. This medication may decrease the effectiveness of combination-type birth control pills. This can result in pregnancy. You may need to use an additional form of reliable birth control while using this medication. Consult your doctor or pharmacist for details. This antibiotic may cause false positive results with certain diabetic urine testing products (cupric sulfate-type). This drug may also affect the results of certain lab tests. Make sure laboratory personnel and the doctors know you use this drug. Do not start or stop any medicine without doctor or pharmacist approval.