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Glyburide

Glyburide

Alternative Medicine
The following information is specific for alternative and complementary medicine. For additional evidence-based information on diseases, conditions, symptoms, diagnosis, treatment and wellness issues, continue searching the Healthwise Knowledgebase.

Also indexed as:

Diabeta, Glibenclamide, Glynase, Glynase Prestab, Micronase, Pres Tab

Glyburide is a sulfonylurea drug used to lower blood sugar levels in people with type 2 (non-insulin-dependent) diabetes. Maintaining normal blood sugar levels helps reduce health problems associated with diabetes. People with diabetes should consult with their doctor before starting or stopping any form of treatment including drug therapy, herbal products, supplements, and others.

Consumption of a high-fiber diet and/or supplementation with nutrients such as chromium, biotin, vitamin E, and others or herbs such as gymnema will often improve blood-sugar control in diabetics. In such cases, the amount of blood sugar-lowering drugs may need to be reduced in order to avoid a hypoglycemic reaction. Anyone taking medication for diabetes should consult the prescribing physician before making dietary changes or taking nutrients or herbs that are designed to lower blood-sugar levels.

Herbs

Summary of Interactions for Glyburide

Depletion or interference None known
Adverse interaction Ginkgo
Side effect reduction/prevention None known
Supportive interaction Aloe *
Reduced drug absorption/bioavailability None known
Other (see text) Biotin
Chromium
Gymnema
Vitamin E

An asterisk (*) next to an item in the summary indicates that the interaction is supported only by weak, fragmentary, and/or contradictory scientific evidence.

Interactions with Supplements

Chromium

Chromium supplements have been shown to improve blood sugar control in people with diabetes.1 Consequently, supplementing with chromium could reduce blood sugar levels in people with taking glyburide, potentially resulting in abnormally low blood sugar levels (hypoglycemia ). While chromium supplementation may be beneficial for people with diabetes, its use in combination with glyburide or with any other blood sugar-lowering medication should be supervised by a doctor.

Interactions with Herbs

Aloe (Aloe vera)

One single-blind study in Thailand reported that combining 1 Tbsp (15 ml) of aloe juice twice daily with glyburide significantly improved blood sugar and lipid levels in people with diabetes, compared with placebo.2 Previously, glyburide by itself had not effectively controlled the diabetes in the people in this study.

Ginkgo (Ginkgo biloba)

In a preliminary trial, administration of Ginkgo biloba extract (120 mg per day) for three months to patients with type 2 diabetes who were taking oral anti-diabetes medication resulted in a significant worsening of glucose tolerance. Ginkgo did not impair glucose tolerance in individuals whose diabetes was controlled by diet.3 Individuals taking oral anti-diabetes medication should consult a doctor before taking Ginkgo biloba.

Other Interactions

Food

Glyburide may be taken with food to avoid gastrointestinal (GI) upset.4 Effective treatment of type 2 diabetes with glyburide includes adherence to recommended dietary guidelines.

Alcohol

Alcohol consumption may interfere with blood-sugar control during glyburide therapy.5 Alcohol may interact with glyburide, causing facial flushing, headache, light-headedness, nausea, breathlessness, and other symptoms.6 People taking glyburide should avoid alcohol.

References

  1. Anderson RA, Cheng N, Bryden NA, Polansky MM, Cheng N, Chi J, et al. Elevated intakes of supplemental chromium improve glucose and insulin variables in individuals with type 2 diabetes. Diabetes 1997;46:1786-91.
  2. Bunyapraphatsara N, Yongchaiyudha S, Rungpitarangsi V, Chokechaijaroenporn O. Antidiabetic activity of Aloe vera L. juice. II. Clinical trial in diabetes mellitus patients in combination with glibenclamide. Phytomed 1996;3:245-8.
  3. Kudolo GB. The effect of 3-month ingestion of Ginkgo biloba extract (EGb 761) on pancreatic beta-cell function in response to glucose loading in individuals with non-insulin-dependent diabetes mellitus. J Clin Pharmacol 2001;41:600-11.
  4. Threlkeld DS, ed. Hormones, Antidiabetic Agents, Sulfonylureas. In Facts and Comparisons Drug Information. St. Louis, MO: Facts and Comparisons, Jun 1992, 130m.
  5. Threlkeld DS, ed. Hormones, Antidiabetic Agents, Sulfonylureas. In Facts and Comparisons Drug Information. St. Louis, MO: Facts and Comparisons, Jun 1992, 130m.
  6. Threlkeld DS, ed. Hormones, Antidiabetic Agents, Sulfonylureas. In Facts and Comparisons Drug Information. St. Louis, MO: Facts and Comparisons, Jun 1992, 130m.

Last Review: 01-21-2009

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Learn more about the authors of Using Medicines with Vitamins and Herbs

The information presented in Healthnotes is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires August 2010.

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