Drug interactions
Liraglutide + Olanzapine
Severity: Moderate
Liraglutide and Olanzapine: 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
Olanzapine can cause weight gain and hyperglycemia that oppose the glucose-lowering effect of liraglutide. Liraglutide is sometimes used to offset antipsychotic weight gain, but glycemic control still needs surveillance.
What this interaction means in plain words
Liraglutide and Olanzapine 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.
Liraglutide belongs to Endocrine; Olanzapine belongs to Central Nervous System.
Why it happens
Olanzapine-induced insulin resistance and weight gain pharmacodynamically oppose GLP-1 receptor agonism.
What to do
Monitor glucose and HbA1c regularly and adjust antidiabetic therapy as needed. Reassess weight and metabolic parameters during treatment.
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 Olanzapine
Other interactions of Liraglutide
Frequently asked questions
Can I take Liraglutide with Olanzapine?
MediHelp rates the interaction as moderate. Liraglutide and Olanzapine 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. Olanzapine can cause weight gain and hyperglycemia that oppose the glucose-lowering effect of liraglutide. Liraglutide is sometimes used to offset antipsychotic weight gain, but glycemic control still needs surveillance.
How serious is the interaction between Liraglutide and Olanzapine?
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 glucose and HbA1c regularly and adjust antidiabetic therapy as needed. Reassess weight and metabolic parameters during treatment.
What other medicines interact with Olanzapine?
MediHelp also lists interactions of Olanzapine with, for example, Amisulpride, Amoxapine, Apomorphine. The full list is on the Olanzapine page.
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