Drug interactions
Glimepiride + Metformin
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.
Overview
Additive glucose-lowering increases risk of hypoglycemia, including severe episodes.
Mechanism of action
Pharmacodynamic additivity: glimepiride stimulates insulin secretion; metformin reduces hepatic glucose production and improves insulin sensitivity.
Clinical management
Monitor blood glucose closely when initiating or adjusting either agent; consider lowering sulfonylurea dose if hypoglycemia occurs; educate on recognition and treatment of hypoglycemia.
Drug reference
References
- Amaryl (glimepiride) Prescribing Information — FDA Label
- Glucophage (metformin hydrochloride) Prescribing Information — FDA Label
- Glimepiride: Drug Interactions — Lexicomp
Frequently asked questions
Can I take Glimepiride with Metformin?
The interaction is rated: Moderate. Additive glucose-lowering increases risk of hypoglycemia, including severe episodes.
How serious is the interaction between Glimepiride and Metformin?
The interaction is rated: Moderate. Evidence level: High.
How is the interaction between Glimepiride and Metformin managed?
Monitor blood glucose closely when initiating or adjusting either agent; consider lowering sulfonylurea dose if hypoglycemia occurs; educate on recognition and treatment of hypoglycemia.
Why do Glimepiride and Metformin interact?
Pharmacodynamic additivity: glimepiride stimulates insulin secretion; metformin reduces hepatic glucose production and improves insulin sensitivity.
Full monographs, dosing and an interaction checker in the MediHelp app
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