What may interact with this medicine?

• gatifloxacin

This medicine may also interact with the following medications:

• acetaminophen
• birth control pills
• digoxin
• lisinopril
• lovastatin
• sulfonylureas
• warfarin

Many medications may cause changes 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

Some medications can hide the warning symptoms of low blood sugar (hypoglycemia). You may need to monitor your blood sugar more closely if you are taking one of these medications. These include:

• beta- blockers, often used for high blood pressure or heart problems (examples include atenolol, metoprolol, propranolol)
• clonidine
• guanethidine
• reserpine

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.