Drug interactions
Clozapine + Insulin regular human
Severity: Moderate
Clozapine and 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
Clozapine promotes insulin resistance and hyperglycemia, which may reduce the effect of regular insulin. Patients may require higher doses and tighter glucose monitoring.
What this interaction means in plain words
Clozapine and 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
Pharmacodynamic antagonism through clozapine-induced insulin resistance.
What to do
Monitor blood glucose more often after starting or changing clozapine, and adjust insulin doses 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 Clozapine
- Clozapine + Deferiprone Contraindicated
- Clozapine + Irinotecan Contraindicated
- Clozapine + Pimozide Contraindicated
- Clozapine + Thioridazine Contraindicated
- Acalabrutinib + Clozapine Major
- Adagrasib + Clozapine Major
Frequently asked questions
Can I take Clozapine with Insulin regular human?
MediHelp rates the interaction as moderate. Clozapine and 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. Clozapine promotes insulin resistance and hyperglycemia, which may reduce the effect of regular insulin. Patients may require higher doses and tighter glucose monitoring.
How serious is the interaction between Clozapine and 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 blood glucose more often after starting or changing clozapine, and adjust insulin doses based on readings.
What other medicines interact with Clozapine?
MediHelp also lists interactions of Clozapine with, for example, Deferiprone, Irinotecan, Pimozide. The full list is on the Clozapine page.
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