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Drug interactions

Insulin neutral human-insulin isophane protamine human + Miglitol

Severity: Moderate

Insulin neutral human-insulin isophane protamine human 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 lowers postprandial glucose and adds to insulin effect, raising hypoglycemia risk. Because miglitol blocks carbohydrate digestion, treating hypoglycemia with sucrose or starch is ineffective.

What this interaction means in plain words

Insulin neutral human-insulin isophane protamine human 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.

Insulin neutral human-insulin isophane protamine human belongs to Endocrine; Miglitol belongs to Endocrine.

Evidence level: High

Why it happens

Additive glucose lowering; miglitol inhibits intestinal alpha-glucosidase and delays carbohydrate absorption.

What to do

Treat hypoglycemia with oral glucose (dextrose) or glucagon rather than sucrose. Monitor glucose and adjust the insulin dose.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Insulin neutral human-insulin isophane protamine human with Miglitol?

MediHelp rates the interaction as moderate. Insulin neutral human-insulin isophane protamine human 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 lowers postprandial glucose and adds to insulin effect, raising hypoglycemia risk. Because miglitol blocks carbohydrate digestion, treating hypoglycemia with sucrose or starch is ineffective.

How serious is the interaction between Insulin neutral human-insulin isophane protamine human 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: Treat hypoglycemia with oral glucose (dextrose) or glucagon rather than sucrose. Monitor glucose and adjust the insulin dose.

What other medicines interact with Insulin neutral human-insulin isophane protamine human?

MediHelp also lists interactions of Insulin neutral human-insulin isophane protamine human with, for example, Ethanol, Pentamidine, Rosiglitazone. The full list is on the Insulin neutral human-insulin isophane protamine human page.

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