Common use
Glipizide is used to treat type 2 of diabetes and belongs to sulfonylurea class of drugs together with glimepiride (Amaryl), glyburide (Micronase, Diabeta), tolbutamide (Orinase) and tolazamide (Tolinase). It stimulates insulin secretion by beta-cells of pancreas.
Dosage and direction
Do not change your dose of Glipizide without first talking to your doctor. A starting dose for immediate release tablets is 5 mg which should be taken 30 minutes before a meal. The maximum dose is 40 mg daily. Maximum dose of extended release tablets should not exceed 20 mg daily. Take it with a full glass of water before a meal. The best result of treatment is achieved when this medication is taken on a regular basis.
Precautions
Treatment with Glipizide may increase the risk of death from cardiovascular disease. Avoid drinking alcoholic beverages as it lowers blood sugar. Do not chew, divide, or crush extended release tablets of Glipizide, swallow them whole.
Contraindications
Hypersensitivity, insulin-dependent diabetes mellitus (juvenile diabetes, diabetes, accompanied by ketoacidosis or precoma) severe kidney or liver failure, stenosis of the gastrointestinal tract, infancy.
Side effects
Besides signs of allergy (hives, rash, swelling of face and tongue) in some patients other symptoms are described: headache, dizziness, diarrhea, gas, hepatitis, jaundice, and a low sodium concentration.
Drug interaction
Alcohol delays effects of Glipizide by slowing its absorption. Glipizide should be administered 1-2 hours before cholestyramine as the latter affects its absorption. Fluconazole (Diflucan) increases absorption and effectiveness of Glipizide. Medications which lower and rise blood sugar are able to change Glipizide effect: aspirin or another salicylate, nonsteroidal anti-inflammatory drugs, sulfa-based drugs such as sulfamethoxazole-trimethoprim (Bactrim, Septra), MAO- inhibitors, beta-blockers such as propranolol (Inderal), thiazide diuretics, steroid medicines such as prednisone (Deltasone, Orasone),estrogens, corticosteroids, thyroid medicines, phenothiazines such as chlorpromazine (Thorazine), niacin, phenytoin, and calcium channel blocking drugs.
Missed dose
If you forgot to take your dose in time, please do it as soon as you remember. But do not take if it is too late or time for your next dose is in a short while. Do not take double doses of this medication or extra doses of it. Take your usual dose next day in the same regular time.
Overdose
Symptoms of Glipizide overdose are ones of low blood sugar: hunger, nausea, anxiety, cold sweats, weakness, drowsiness, unconsciousness, and coma. If you experience one of them or any unusual symptoms call your doctor immediately.
Storage
Store at room temperature between 20-25 C (68-77 F). Store away from moisture, heat, and sunlight. It is not recommended to store in a bathroom and places available for children.