Drug interactions
Insulin aspart protamine / insulin aspart + Pioglitazone
Severity: Moderate
Insulin aspart protamine / insulin aspart and Pioglitazone: moderate 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
Combining pioglitazone with insulin gives additive glucose lowering and increases the risk of hypoglycemia. The combination also raises the risk of fluid retention, edema and heart failure.
What this interaction means in plain words
Insulin aspart protamine / insulin aspart and Pioglitazone can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Additive glucose lowering from insulin sensitization and exogenous insulin, with both agents promoting fluid retention.
What to do
Monitor for edema, rapid weight gain and heart failure symptoms, and check glucose regularly. Reduce the insulin dose if hypoglycemia occurs.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Pioglitazone
Frequently asked questions
Can I take Insulin aspart protamine / insulin aspart with Pioglitazone?
MediHelp rates the interaction as moderate. Insulin aspart protamine / insulin aspart and Pioglitazone can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Combining pioglitazone with insulin gives additive glucose lowering and increases the risk of hypoglycemia. The combination also raises the risk of fluid retention, edema and heart failure.
How serious is the interaction between Insulin aspart protamine / insulin aspart and Pioglitazone?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for edema, rapid weight gain and heart failure symptoms, and check glucose regularly. Reduce the insulin dose if hypoglycemia occurs.
What other medicines interact with Pioglitazone?
MediHelp also lists interactions of Pioglitazone with, for example, Insulin aspart-insulin aspart protamine, Insulin aspart, Insulin degludec-insulin aspart. The full list is on the Pioglitazone page.
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