Drug interactions
Gemfibrozil + Insulin aspart
Severity: Minor
Gemfibrozil and Insulin aspart: 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
Fibrates such as gemfibrozil may improve insulin sensitivity and modestly lower glucose, so insulin requirements can fall. This can lead to hypoglycemia if the insulin dose is not adjusted. The effect is usually small and manageable.
What this interaction means in plain words
Gemfibrozil and Insulin aspart have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Gemfibrozil belongs to Cardiovascular; Insulin aspart belongs to Endocrine.
Why it happens
Additive glucose-lowering through improved insulin sensitivity; no pharmacokinetic mechanism is established.
What to do
Monitor blood glucose when starting gemfibrozil in insulin-treated patients. Reduce the insulin dose if glucose readings trend low.
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 Gemfibrozil
- Daprodustat + Gemfibrozil Contraindicated
- Elagolix + Gemfibrozil Contraindicated
- Gemfibrozil + Mavacamten Contraindicated
- Gemfibrozil + Metformin-repaglinide Contraindicated
- Gemfibrozil + Ombitasvir / paritaprevir / ritonavir and dasabuvir Contraindicated
- Gemfibrozil + Repaglinide Contraindicated
Other interactions of Insulin aspart
Frequently asked questions
Can I take Gemfibrozil with Insulin aspart?
MediHelp rates the interaction as minor. Gemfibrozil and Insulin aspart have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Fibrates such as gemfibrozil may improve insulin sensitivity and modestly lower glucose, so insulin requirements can fall. This can lead to hypoglycemia if the insulin dose is not adjusted. The effect is usually small and manageable.
How serious is the interaction between Gemfibrozil and Insulin aspart?
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 starting gemfibrozil in insulin-treated patients. Reduce the insulin dose if glucose readings trend low.
What other medicines interact with Gemfibrozil?
MediHelp also lists interactions of Gemfibrozil with, for example, Daprodustat, Elagolix, Mavacamten. The full list is on the Gemfibrozil page.
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