What may interact with this medicine?

• barbiturates like phenobarbital or primidone
• carbamazepine
• clarithromycin
• erythromycin
• gemfibrozil
• isophane insulin, NPH
• medicines for fungal or yeast infections such as itraconazole, ketoconazole, miconazole
• montelukast
• other medicines for diabetes
• rifampin
• simvastatin

Many medications may cause an increase or decrease in blood sugar, these include:

• alcohol containing beverages
• aspirin and aspirin- like drugs
• chloramphenicol
• chromium
• diuretics
• female hormones, such as estrogens or progestins, birth control pills
• heart medicines
• isoniazid
• male hormones or anabolic steroids
• medications for weight loss
• medicines for allergies, asthma, cold, or cough
• medicines for mental problems
• medicines called MAO inhibitors - Nardil, Parnate, Marplan, Eldepryl
• niacin
• NSAIDS, such as ibuprofen
• pentamidine
• phenytoin
• probenecid
• quinolone antibiotics such as ciprofloxacin, levofloxacin, ofloxacin
• some herbal dietary supplements
• steroid medicines such as prednisone or cortisone
• thyroid hormones

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non- prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medicine?