Drug interactions
Insulin lispro + Willow bark
Severity: Minor
Insulin lispro 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 and may lower blood glucose at high intake. This may enhance the effect of insulin lispro, though the salicylate dose from typical products is usually modest.
What this interaction means in plain words
Insulin lispro 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 derived from salicin may improve insulin sensitivity and add to insulin's glucose-lowering effect.
What to do
Monitor blood glucose when willow bark products are taken regularly and reduce the insulin 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 Insulin lispro
Frequently asked questions
Can I take Insulin lispro with Willow bark?
MediHelp rates the interaction as minor. Insulin lispro 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 and may lower blood glucose at high intake. This may enhance the effect of insulin lispro, though the salicylate dose from typical products is usually modest.
How serious is the interaction between Insulin lispro 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 when willow bark products are taken regularly and reduce the insulin dose if hypoglycemia occurs.
What other medicines interact with Insulin lispro?
MediHelp also lists interactions of Insulin lispro with, for example, Alogliptin-pioglitazone, Ethanol, Metreleptin. The full list is on the Insulin lispro page.
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