Drug interactions
Insulin isophane protamine human + Pioglitazone
Severity: Major
Insulin isophane protamine human 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 gives additive glucose lowering and a higher risk of hypoglycemia. The combination also increases fluid retention, edema and heart failure risk.
What this interaction means in plain words
Insulin isophane protamine human 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 isophane protamine human belongs to Endocrine; Pioglitazone belongs to Endocrine.
Why it happens
Pioglitazone improves insulin sensitivity, adding to insulin's effect, and causes renal sodium and fluid retention that is worsened with insulin.
What to do
Reduce the insulin dose if hypoglycemia occurs and monitor for weight gain, edema and heart failure symptoms. Avoid in patients with symptomatic heart failure.
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 isophane protamine human
- Ethanol + Insulin isophane protamine human Major
- Insulin isophane protamine human + Rosiglitazone Major
- Acarbose + Insulin isophane protamine human Moderate
- Albiglutide + Insulin isophane protamine human Moderate
- Alogliptin + Insulin isophane protamine human Moderate
- Aspirin + Insulin isophane protamine human Moderate
Other interactions of Pioglitazone
Frequently asked questions
Can I take Insulin isophane protamine human with Pioglitazone?
MediHelp rates the interaction as major. Insulin isophane protamine human 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 gives additive glucose lowering and a higher risk of hypoglycemia. The combination also increases fluid retention, edema and heart failure risk.
How serious is the interaction between Insulin isophane protamine human 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: Reduce the insulin dose if hypoglycemia occurs and monitor for weight gain, edema and heart failure symptoms. Avoid in patients with symptomatic heart failure.
What other medicines interact with Insulin isophane protamine human?
MediHelp also lists interactions of Insulin isophane protamine human with, for example, Ethanol, Rosiglitazone, Acarbose. The full list is on the Insulin isophane protamine human page.
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