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GLYNASE PRESTAB
Diabetes
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Drug Name:

GLYNASE PRESTAB Rx

Generic Name and Formulations:
Glyburide, micronized 1.5mg, 3mg, 6mg; scored tabs.

Company:
Pfizer Inc.

Therapeutic Use:

Indications for GLYNASE PRESTAB:

Adjunct to diet and exercise in type 2 diabetes.

Adult:

Initially 1.5–3mg daily with breakfast. Debilitated: initially 0.75mg daily with breakfast. Increase by 1.5mg at weekly intervals if needed per blood glucose. Maintenance: 0.75–12mg daily in single or divided doses (consider divided doses above 6mg daily); max 12mg daily.

Children:

Not established.

Elderly:

Initially 0.75mg daily with breakfast.

Contraindications:

Diabetic ketoacidosis, with or without coma. Type 1 diabetes. Concomitant bosentan.

Warnings/Precautions:

Increased risk of cardiovascular mortality. Impaired renal or hepatic function. Stress. Secondary failure may occur with extended therapy. Discontinue if jaundice or persistent rash occurs. G6PD deficiency; consider non-sulfonylurea alternative. Monitor urine, blood glucose, and glycosylated hemoglobin. Retitrate if transfer from other glyburide containing or hypoglycemic agents (see full labeling). Elderly, debilitated, malnourished, adrenal or pituitary insufficiency, severe/prolonged exercise: increased risk of hypoglycemia. Pregnancy (Cat.B): consider using insulin instead; if glyburide needed, discontinue ≥2 weeks before delivery date. Nursing mothers: not recommended.

Interactions:

Elevated liver enzymes with concomitant bosentan (see Contraindications). Increased risk of hypoglycemia with concomitant alcohol or other hypoglycemics. Potentiated by NSAIDs, alcohol, highly protein bound drugs, salicylates, sulfonamides, chloramphenicol, probenecid, coumarins, MAOIs, β-blockers. Antagonized by diuretics, steroids, phenothiazines, thyroid products, estrogens, oral contraceptives, phenytoin, niacin, sympathomimetics, calcium channel blockers and isoniazid. May be potentiated by ciprofloxacin, oral miconazole. Administer glyburide >4hrs prior to colesevelam. Disulfiram-like reaction with alcohol (rare). Monitor for 2 weeks if transferring from chlorpropamide.

Pharmacological Class:

Sulfonylurea (2nd generation).

Adverse Reactions:

Hypoglycemia, cholestatic jaundice (rare), nausea, epigastric fullness, heartburn, allergic skin reactions, photosensitivity, blood dyscrasias, hepatic porphyria, hyponatremia.

How Supplied:

PresTab 1.5mg—100; 3mg—100, 500, 1000; 6mg—100, 500

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