Drug interactions
Insulin regular human + Quetiapine
Severity: Moderate
Insulin regular human 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 cause hyperglycemia and worsen glycemic control, opposing the effect of regular insulin. Insulin requirements may increase, and may fall again when quetiapine is withdrawn.
What this interaction means in plain words
Insulin regular human 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.
Why it happens
Quetiapine-related insulin resistance and impaired glucose regulation, which opposes the glucose-lowering effect of insulin.
What to do
Check glucose more frequently when quetiapine is started, changed or stopped, and adjust the insulin dose based on readings.
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 Quetiapine
- Adagrasib + Quetiapine Major
- Amiodarone + Quetiapine Major
- Amisulpride + Quetiapine Major
- Amoxapine + Quetiapine Major
- Anagrelide + Quetiapine Major
- Apalutamide + Quetiapine Major
Frequently asked questions
Can I take Insulin regular human with Quetiapine?
MediHelp rates the interaction as moderate. Insulin regular human 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 cause hyperglycemia and worsen glycemic control, opposing the effect of regular insulin. Insulin requirements may increase, and may fall again when quetiapine is withdrawn.
How serious is the interaction between Insulin regular human 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: Check glucose more frequently when quetiapine is started, changed or stopped, and adjust the insulin dose based on readings.
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.
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