Drug interactions
Fluoxetine + Insulin aspart-insulin aspart protamine
Severity: Moderate
Fluoxetine and Insulin aspart-insulin aspart protamine: 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 can enhance glucose lowering in patients taking insulin and has been associated with hypoglycemia. Insulin requirements may fall after starting it, and glycemic control may shift when it is stopped.
What this interaction means in plain words
Fluoxetine and Insulin aspart-insulin aspart protamine 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-insulin aspart protamine belongs to Endocrine.
Why it happens
Possible improvement of insulin sensitivity and altered glucose regulation; the mechanism is not firmly established.
What to do
Monitor blood glucose when starting, changing or stopping fluoxetine and adjust the insulin dose accordingly.
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 Insulin aspart-insulin aspart protamine
- Ethanol + Insulin aspart-insulin aspart protamine Major
- Insulin aspart-insulin aspart protamine + Pentamidine Major
- Insulin aspart-insulin aspart protamine + Pioglitazone Major
- Insulin aspart-insulin aspart protamine + Rosiglitazone Major
- Acarbose + Insulin aspart-insulin aspart protamine Moderate
- Albiglutide + Insulin aspart-insulin aspart protamine Moderate
Other interactions of Fluoxetine
- Fluoxetine + Isocarboxazid Contraindicated
- Fluoxetine + Mavacamten Contraindicated
- Fluoxetine + Methylene blue Contraindicated
- Fluoxetine + Phenelzine Contraindicated
- Fluoxetine + Pimozide Contraindicated
- Fluoxetine + Rasagiline Contraindicated
Frequently asked questions
Can I take Fluoxetine with Insulin aspart-insulin aspart protamine?
MediHelp rates the interaction as moderate. Fluoxetine and Insulin aspart-insulin aspart protamine 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 can enhance glucose lowering in patients taking insulin and has been associated with hypoglycemia. Insulin requirements may fall after starting it, and glycemic control may shift when it is stopped.
How serious is the interaction between Fluoxetine and Insulin aspart-insulin aspart protamine?
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 when starting, changing or stopping fluoxetine and adjust the insulin dose accordingly.
What other medicines interact with Insulin aspart-insulin aspart protamine?
MediHelp also lists interactions of Insulin aspart-insulin aspart protamine with, for example, Ethanol, Pentamidine, Pioglitazone. The full list is on the Insulin aspart-insulin aspart protamine page.
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