Drug interactions
Glimepiride + Orlistat
Severity: Minor
Glimepiride and Orlistat: minor 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
Orlistat-associated weight loss and reduced caloric intake can improve glycemic control, which may increase the effect of glimepiride. Hypoglycemia is possible as treatment progresses.
What this interaction means in plain words
Glimepiride and Orlistat have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Glimepiride belongs to Endocrine; Orlistat belongs to Miscellaneous.
Why it happens
Additive glucose lowering through weight loss and improved insulin sensitivity; no direct pharmacokinetic interaction is established.
What to do
Monitor blood glucose as weight falls and reduce the glimepiride dose if hypoglycemia occurs.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Glimepiride
Other interactions of Orlistat
- Cyclosporine + Orlistat Major
- Cyclosporin + Orlistat Major
- Orlistat + Triheptanoin Major
- Amiodarone + Orlistat Moderate
- Beta carotene + Orlistat Moderate
- Carbamazepine + Orlistat Moderate
Frequently asked questions
Can I take Glimepiride with Orlistat?
MediHelp rates the interaction as minor. Glimepiride and Orlistat have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Orlistat-associated weight loss and reduced caloric intake can improve glycemic control, which may increase the effect of glimepiride. Hypoglycemia is possible as treatment progresses.
How serious is the interaction between Glimepiride and Orlistat?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood glucose as weight falls and reduce the glimepiride dose if hypoglycemia occurs.
What other medicines interact with Glimepiride?
MediHelp also lists interactions of Glimepiride with, for example, Fluconazole, Insulin degludec-liraglutide, Insulin glargine-lixisenatide. The full list is on the Glimepiride page.
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