Drug interactions
Glimepiride-pioglitazone + Insulin isophane human / insulin regular human
Severity: Moderate
Glimepiride-pioglitazone and Insulin isophane human / insulin regular human: 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 insulin with glimepiride and pioglitazone increases glucose lowering and hypoglycemia risk. Pioglitazone with insulin also increases fluid retention and the risk of edema and heart failure.
What this interaction means in plain words
Glimepiride-pioglitazone and Insulin isophane human / insulin regular human 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 effects; thiazolidinedione and insulin both promote renal sodium and fluid retention.
What to do
Monitor glucose and reduce insulin or glimepiride doses if hypoglycemia occurs; monitor weight and signs of heart failure.
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 Glimepiride-pioglitazone
Frequently asked questions
Can I take Glimepiride-pioglitazone with Insulin isophane human / insulin regular human?
MediHelp rates the interaction as moderate. Glimepiride-pioglitazone and Insulin isophane human / insulin regular human 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 insulin with glimepiride and pioglitazone increases glucose lowering and hypoglycemia risk. Pioglitazone with insulin also increases fluid retention and the risk of edema and heart failure.
How serious is the interaction between Glimepiride-pioglitazone and Insulin isophane human / insulin regular human?
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 glucose and reduce insulin or glimepiride doses if hypoglycemia occurs; monitor weight and signs of heart failure.
What other medicines interact with Glimepiride-pioglitazone?
MediHelp also lists interactions of Glimepiride-pioglitazone with, for example, Fluconazole, Gemfibrozil, Insulin aspart. The full list is on the Glimepiride-pioglitazone page.
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