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DRUG INTERACTIONS: Your healthcare professionals (e.g., doctor or pharmacist) may already be aware of any possible drug interactions and may be monitoring you for it. Do not start, stop or change the dosage of any medicine before checking with them first.This drug should not be used with the following medication because a very serious interaction may occur: bosentan.If you are currently using this medication, tell your doctor or pharmacist before starting glyburide.Many drugs can affect your blood sugar levels, making it more difficult to control your blood sugar. Before you start, stop, or change any medication, talk with your doctor or pharmacist about how the medication may affect your blood sugar. Check your blood sugar levels regularly as directed by your doctor. Tell your doctor about the results and of any symptoms of high or low blood sugar. (See also Side Effects section.) Your doctor may need to adjust your anti-diabetic medication, exercise program, or diet.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription products you may use, especially of: other diabetes drugs (e.g., insulin, metformin), aspirin or aspirin-like drugs (e.g., salicylates, NSAIDs such as ibuprofen, phenylbutazone), azole antifungals (e.g., fluconazole), birth control pills, "blood thinners" (e.g., warfarin), calcium channel blockers (e.g., diltiazem), chloramphenicol, clofibrate, colesevelam, corticosteroids (e.g., prednisone), decongestants (e.g., pseudoephedrine), diazoxide, diet pills, epinephrine, estrogens, isoniazid, MAO inhibitors (e.g., furazolidone, linezolid, moclobemide, phenelzine procarbazine, selegiline, rasagiline, isocarboxazid, tranylcypromine), niacin, phenothiazines (e.g., promethazine), phenytoin, probenecid, quinolone antibiotics (e.g., ciprofloxacin), rifampin, sulfonamides (e.g., sulfa antibiotics), thyroid drugs, "water pills" (diuretics such as hydrochlorothiazide, furosemide), fenugreek, ginseng.Beta-blocker medications (e.g., metoprolol, propranolol, glaucoma eye drops such as timolol) may prevent the fast/pounding heartbeat you would usually feel when your blood sugar level falls too low (hypoglycemia). Other symptoms of low blood sugar such as dizziness, hunger, or sweating are unaffected by these drugs.This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.

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.