Drug interactions
Glimepiride + Willow bark
Severity: Minor
Glimepiride and Willow bark: 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
Willow bark contains salicin, which is converted to salicylate. Salicylates can enhance the hypoglycemic effect of sulfonylureas, although the amount of salicylate from usual willow bark doses is relatively low.
What this interaction means in plain words
Glimepiride and Willow bark have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Salicylate may displace sulfonylurea from protein binding and has intrinsic glucose-lowering effects at high doses.
What to do
Monitor blood glucose if willow bark is used regularly. Reduce glimepiride 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
Frequently asked questions
Can I take Glimepiride with Willow bark?
MediHelp rates the interaction as minor. Glimepiride and Willow bark have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Willow bark contains salicin, which is converted to salicylate. Salicylates can enhance the hypoglycemic effect of sulfonylureas, although the amount of salicylate from usual willow bark doses is relatively low.
How serious is the interaction between Glimepiride and Willow bark?
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 if willow bark is used regularly. Reduce glimepiride 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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