Drug interactions
Insulin lispro protamine / insulin lispro + Miglitol
Severity: Moderate
Insulin lispro protamine / insulin lispro and Miglitol: 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
Miglitol reduces postprandial glucose excursions and enhances the effect of premixed lispro insulin, raising the risk of hypoglycemia. Sucrose is a poor rescue treatment during miglitol therapy.
What this interaction means in plain words
Insulin lispro protamine / insulin lispro and Miglitol 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 pharmacodynamic glucose lowering from alpha-glucosidase inhibition plus insulin action.
What to do
Monitor blood glucose and reduce the insulin dose as needed when miglitol is added. Treat hypoglycemia with glucose (dextrose) or glucagon.
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 Miglitol
- Miglitol + Pramlintide Major
- Aripiprazole + Miglitol Moderate
- Asenapine + Miglitol Moderate
- Chlorthalidone + Miglitol Moderate
- Clozapine + Miglitol Moderate
- Cortisone + Miglitol Moderate
Frequently asked questions
Can I take Insulin lispro protamine / insulin lispro with Miglitol?
MediHelp rates the interaction as moderate. Insulin lispro protamine / insulin lispro and Miglitol 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. Miglitol reduces postprandial glucose excursions and enhances the effect of premixed lispro insulin, raising the risk of hypoglycemia. Sucrose is a poor rescue treatment during miglitol therapy.
How serious is the interaction between Insulin lispro protamine / insulin lispro and Miglitol?
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 blood glucose and reduce the insulin dose as needed when miglitol is added. Treat hypoglycemia with glucose (dextrose) or glucagon.
What other medicines interact with Miglitol?
MediHelp also lists interactions of Miglitol with, for example, Pramlintide, Aripiprazole, Asenapine. The full list is on the Miglitol page.
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