Drug interactions
Fluoxetine + Sumatriptan intranasal
Severity: Moderate
Fluoxetine and Sumatriptan intranasal: 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
Triptans combined with SSRIs have been associated with serotonin syndrome, though the absolute risk appears low. Symptoms include agitation, tremor, hyperthermia and neuromuscular excitability.
What this interaction means in plain words
Fluoxetine and Sumatriptan intranasal 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
Additive serotonergic effects at 5-HT receptors.
What to do
The combination can be used when clearly needed, but counsel the patient on serotonin syndrome symptoms. Stop sumatriptan and seek care if they occur.
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
Frequently asked questions
Can I take Fluoxetine with Sumatriptan intranasal?
MediHelp rates the interaction as moderate. Fluoxetine and Sumatriptan intranasal 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. Triptans combined with SSRIs have been associated with serotonin syndrome, though the absolute risk appears low. Symptoms include agitation, tremor, hyperthermia and neuromuscular excitability.
How serious is the interaction between Fluoxetine and Sumatriptan intranasal?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: The combination can be used when clearly needed, but counsel the patient on serotonin syndrome symptoms. Stop sumatriptan and seek care if they occur.
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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