Generic Name : glyburide
Brand Name: DiaBeta, Euglucon (CAN), Gen-Glybe (CAN), Glibenclamide, Glynase PresTab, Micronase, ratio-Glyburide (CAN)
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glyburide Nursing Considerations & Management
- Pregnancy Category B (Micronase, Glynase)
- Pregnancy Category C (DiaBeta)
Dosage & Route
- Available forms : Tablets—1.25, 2.5, 5 mg; micronized tablets—1.5, 3, 4.5, 6 mg
- Initial therapy: 2.5–5 mg PO with breakfast (DiaBeta, Micronase); 1.5–3 mg/day PO (Glynase).
- Maintenance therapy: 1.25–20 mg/day PO given as a single dose or in divided doses. Increase in increments of no more than 2.5 mg at weekly intervals based on patient’s blood glucose response (DiaBeta, Micronase); 0.75–12 mg/day PO (Glynase).
- Safety and efficacy not established.
- Stimulates insulin release from functioning beta cells in the pancreas; may improve binding between insulin and insulin receptors or increase the number of insulin receptors; more potent in effect than first-generation sulfonylureas.
- Adjunct to diet to lower blood glucose with type 2 diabetes mellitus
- Adjunct to metformin when adequate results are not achieved with either drug alone
- Adjunct to insulin therapy in the stabilization of certain cases of type 2 diabetes mellitus, reducing the insulin requirement, and decreasing the chance of hypoglycemic reactions
- CNS: Drowsiness, tinnitus, fatigue, asthenia, nervousness, tremor, insomnia
- CV: Increased risk of CV mortality
- Endocrine: Hypoglycemia
- GI: Anorexia, nausea, vomiting, epigastric discomfort, heartburn, diarrhea, weight gain
- Hematologic: Leukopenia, thrombocytopenia, anemia
- Hypersensitivity: Allergic skin reactions, eczema, pruritus, erythema, urticaria, photosensitivity, fever, eosinophilia, jaundice
Glyburide tablets are contraindicated in patients with:
- Known hypersensitivity or allergy to the drug.
- Diabetic ketoacidosis, with or without coma. This condition should be treated with insulin.
- Type I diabetes mellitus, as sole therapy.
CLINICAL ALERT! Name confusion has occurred between DiaBeta (glyburide) and Zebeta (bisoprolol); use caution.
- History: Allergy to sulfonylureas; diabetes with complications; type 1 diabetes, serious hepatic or renal impairment, uremia, thyroid or endocrine impairment, glycosuria, hyperglycemia associated with primary renal disease, pregnancy
- Physical: Skin color, lesions; T; orientation, reflexes, peripheral sensation; R, adventitious sounds; liver evaluation, bowel sounds; urinalysis, BUN, serum creatinine, LFTs, blood glucose, CBC
- Give drug before breakfast. If severe GI upset occurs, dose may be divided and given before meals.
- Monitor urine or serum glucose levels frequently to determine drug effectiveness and dosage.
- Monitor dosage carefully if switching to or from Glynase.
- WARNING: Transfer to insulin therapy during periods of high stress (eg, infections, surgery, trauma).
- WARNING: Use IV glucose if severe hypoglycemia occurs as a result of overdose.
- Do not discontinue this medication without consulting your health care provider.
- Monitor urine or blood for glucose and ketones.
- Do not use this drug during pregnancy; consult health care provider.
- Avoid alcohol while using this drug.
- Report fever, sore throat, unusual bleeding or bruising, rash, dark urine, light-colored stools, hypoglycemic or hyperglycemic reactions.