Drug interactions
Insulin detemir + Pioglitazone
Severity: Major
Insulin detemir and Pioglitazone: major 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
Pioglitazone with insulin increases the risk of fluid retention, edema and heart failure and adds to glucose lowering with a risk of hypoglycemia.
What this interaction means in plain words
Insulin detemir and Pioglitazone can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Insulin detemir belongs to Endocrine; Pioglitazone belongs to Endocrine.
Why it happens
Thiazolidinedione-induced sodium and fluid retention is additive with insulin's antinatriuretic effect, and both lower glucose through additive pharmacodynamic action.
What to do
Monitor for weight gain, edema and heart failure symptoms, and avoid in patients with significant cardiac disease. Reduce the insulin dose if hypoglycemia occurs.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Insulin detemir
Other interactions of Pioglitazone
Frequently asked questions
Can I take Insulin detemir with Pioglitazone?
MediHelp rates the interaction as major. Insulin detemir and Pioglitazone can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Pioglitazone with insulin increases the risk of fluid retention, edema and heart failure and adds to glucose lowering with a risk of hypoglycemia.
How serious is the interaction between Insulin detemir and Pioglitazone?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for weight gain, edema and heart failure symptoms, and avoid in patients with significant cardiac disease. Reduce the insulin dose if hypoglycemia occurs.
What other medicines interact with Insulin detemir?
MediHelp also lists interactions of Insulin detemir with, for example, Alogliptin-pioglitazone, Ethanol, Glimepiride-pioglitazone. The full list is on the Insulin detemir page.
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