Skip to content

Drug interactions

Gemfibrozil + Glyburide-metformin

Severity: Moderate

Gemfibrozil and Glyburide-metformin: moderate interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Gemfibrozil may increase glyburide exposure and has been associated with enhanced hypoglycemia. The risk is greater in patients with low albumin or reduced renal function.

What this interaction means in plain words

Gemfibrozil and Glyburide-metformin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Gemfibrozil belongs to Cardiovascular; Glyburide-metformin belongs to Endocrine.

Evidence level: Moderate

Why it happens

Inhibition of CYP2C9 and possibly transporter-mediated clearance of glyburide, with protein binding displacement.

What to do

Monitor blood glucose when starting or stopping gemfibrozil and reduce the glyburide dose if hypoglycemia occurs. Consider fenofibrate as an alternative if appropriate.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Gemfibrozil and Glyburide-metformin, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 14 days on the web. No card needed.

Frequently asked questions

Can I take Gemfibrozil with Glyburide-metformin?

MediHelp rates the interaction as moderate. Gemfibrozil and Glyburide-metformin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Gemfibrozil may increase glyburide exposure and has been associated with enhanced hypoglycemia. The risk is greater in patients with low albumin or reduced renal function.

How serious is the interaction between Gemfibrozil and Glyburide-metformin?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood glucose when starting or stopping gemfibrozil and reduce the glyburide dose if hypoglycemia occurs. Consider fenofibrate as an alternative if appropriate.

What other medicines interact with Glyburide-metformin?

MediHelp also lists interactions of Glyburide-metformin with, for example, Bosentan, Cholic acid, Clarithromycin. The full list is on the Glyburide-metformin page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in