Drug interactions
Fluoxetine + Insulin aspart
Severity: Moderate
Fluoxetine and Insulin aspart: 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
Fluoxetine may enhance the glucose-lowering effect of insulin and can contribute to hypoglycemia. The effect may be unpredictable, particularly when fluoxetine is started or stopped.
What this interaction means in plain words
Fluoxetine and Insulin aspart 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.
Fluoxetine belongs to Central Nervous System; Insulin aspart belongs to Endocrine.
Why it happens
Possibly increased insulin sensitivity and altered glucose regulation by fluoxetine; the mechanism is not clearly established.
What to do
Monitor blood glucose more frequently when starting or stopping fluoxetine. Adjust the insulin dose 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?
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Other interactions of Fluoxetine
- Fluoxetine + Isocarboxazid Contraindicated
- Fluoxetine + Mavacamten Contraindicated
- Fluoxetine + Methylene blue Contraindicated
- Fluoxetine + Phenelzine Contraindicated
- Fluoxetine + Pimozide Contraindicated
- Fluoxetine + Rasagiline Contraindicated
Other interactions of Insulin aspart
Frequently asked questions
Can I take Fluoxetine with Insulin aspart?
MediHelp rates the interaction as moderate. Fluoxetine and Insulin aspart 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. Fluoxetine may enhance the glucose-lowering effect of insulin and can contribute to hypoglycemia. The effect may be unpredictable, particularly when fluoxetine is started or stopped.
How serious is the interaction between Fluoxetine and Insulin aspart?
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 frequently when starting or stopping fluoxetine. Adjust the insulin dose as needed.
What other medicines interact with Fluoxetine?
MediHelp also lists interactions of Fluoxetine with, for example, Isocarboxazid, Mavacamten, Methylene blue. The full list is on the Fluoxetine page.
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