Glyburide and metformin

Generic name: Glyburide And Metformin
Brand names: Glucovance
Dosage form: oral tablet (1.25 mg-250 mg; 2.5 mg-500 mg; 5 mg-500 mg)
Drug class: Antidiabetic combinations

Usage of Glyburide and metformin

Glyburide and metformin is a combination of two oral diabetes medicines that help control blood sugar levels.

Glyburide and metformin is used together with diet and exercise to improve blood sugar control in adults with type 2 diabetes. glyburide and metformin is not for treating type 1 diabetes.

Glyburide and metformin may also be used for purposes not listed in this medication guide.

Glyburide and metformin side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Glyburide and metformin may cause serious side effects. Call your doctor at once if you have:

heart problems-- swelling, rapid weight gain, feeling short of breath;

severe hypoglycemia--extreme weakness, blurred vision, sweating, trouble speaking, tremors, stomach pain, confusion, seizure; or

lactic acidosis--unusual muscle pain, trouble breathing, stomach pain, vomiting, irregular heart rate, dizziness, feeling cold, or feeling very weak or tired.

Common side effects of glyburide and metformin may include:

low blood sugar;

nausea, diarrhea, upset stomach; or

headache.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Before taking Glyburide and metformin

You should not use this medicine if you are allergic to glyburide or metformin, or:

severe kidney disease;

metabolic acidosis or diabetic ketoacidosis (call your doctor for treatment); or

if you are also using Bosentan (to treat pulmonary arterial hypertension).

If you need to have any type of x-ray or CT scan using a dye that is injected into your veins, you may need to temporarily stop taking glyburide and metformin.

Tell your doctor if you have ever had:

kidney disease;

an enzyme deficiency called glucose-6-phosphate dehydrogenase deficiency (G6PD);

liver disease; or

heart disease, heart attack, or stroke.

You may develop lactic acidosis, a dangerous build-up of lactic acid in your blood. This may be more likely if you have other medical conditions, a severe infection, chronic alcoholism, or if you are 65 or older. Ask your doctor about your risk.

Follow your doctor's instructions about using this medicine if you are pregnant or you become pregnant. Controlling diabetes is very important during pregnancy, and having high blood sugar may cause complications in both the mother and the baby. However, you may need to stop taking glyburide and metformin for a short time just before your due date.

Metformin may stimulate ovulation in a premenopausal woman and may increase the risk of unintended pregnancy. Talk to your doctor about your risk.

You should not breastfeed while taking glyburide and metformin.

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How to use Glyburide and metformin

Usual Adult Dose for Diabetes Type 2:

Doses provided as glyburide-metformin-As Initial Therapy in Patients with Inadequate Glycemic Control on Diet and Exercise Alone: Starting dose: 1.25 mg-250 mg orally once a day-Consider a starting dose of 1.25 mg-250 mg orally twice a day for patients with fasting blood glucose (FBG) greater than 200 mg/dL or HbA1c greater than 9% Maintenance Dose: Increase in increments of 1.25 mg-250 mg per day every 2 weeks up to the minimum effective dose to achieve glycemic controlMaximum Initial Dose: 10 mg-2000 mg per day -Patients with Inadequate Glycemic Control on a Glyburide (or another Sulfonylurea) and/or Metformin:Initial dose: 2.5 mg-500 mg or 5 mg-500 mg orally twice a dayMaintenance Dose: Increase in increments of no more than 5 mg-500 mg to the minimum effective dose to achieve adequate blood glucose control Maximum Dose: 20 mg-2000 mg per day Comments:-Give with meals; 5 mg-500 mg dose should not be used as initial therapy due to an increased risk of hypoglycemia; initial doses should be conservative to avoid hypoglycemia largely due to glyburide and gastrointestinal side effects largely due to metformin.-For patients who are switching to combination therapy, initial doses should not exceed the daily dose of glyburide (or equivalent sulfonylurea) and metformin already being taken; the decision to switch to the nearest equivalent dose should be based on clinical judgement. -Addition of thiazolidinedione may be appropriate for patients not adequately controlled on glyburide-metformin; in patients experiencing hypoglycemia, consider reducing the dose of the glyburide component. -Monitor patients closely for signs and symptoms of hypoglycemia. Use: As an adjunct to diet and exercise to improve glycemic control in patients with type 2 diabetes mellitus.

Warnings

You should not use glyburide and metformin if you have severe kidney disease, if you also take bosentan (Tracleer), or if you have metabolic acidosis or diabetic ketoacidosis (call your doctor for treatment).

If you need to have any type of x-ray or CT scan using a dye that is injected into your veins, you may need to temporarily stop taking glyburide and metformin.

You may develop lactic acidosis, a dangerous build-up of lactic acid in your blood. Call your doctor or get emergency medical help if you have unusual muscle pain, trouble breathing, stomach pain, dizziness, feeling cold, or feeling very weak or tired.

What other drugs will affect Glyburide and metformin

Many drugs can affect glyburide and metformin, making glyburide and metformin less effective or increasing your risk of lactic acidosis. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed here. Tell your doctor about all your current medicines and any medicine you start or stop using.

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