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Drug interactions

Miglitol + Quetiapine

Severity: Moderate

Miglitol and Quetiapine: 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

Quetiapine may raise blood glucose and worsen glycemic control in patients taking miglitol. Control of diabetes may deteriorate after quetiapine is started or increased.

What this interaction means in plain words

Miglitol and Quetiapine 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 belongs to Endocrine; Quetiapine belongs to Central Nervous System.

Evidence level: Moderate

Why it happens

Pharmacodynamic antagonism: antipsychotic-induced insulin resistance and hyperglycemia oppose the antidiabetic effect.

What to do

Monitor blood glucose and HbA1c regularly after quetiapine initiation or dose change. Adjust the antidiabetic regimen as needed.

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 Miglitol with Quetiapine?

MediHelp rates the interaction as moderate. Miglitol and Quetiapine 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. Quetiapine may raise blood glucose and worsen glycemic control in patients taking miglitol. Control of diabetes may deteriorate after quetiapine is started or increased.

How serious is the interaction between Miglitol and Quetiapine?

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 HbA1c regularly after quetiapine initiation or dose change. Adjust the antidiabetic regimen as needed.

What other medicines interact with Quetiapine?

MediHelp also lists interactions of Quetiapine with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Quetiapine page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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