Drug interactions
Citalopram + Sumatriptan intranasal
Severity: Moderate
Citalopram 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 and SSRIs both enhance serotonergic signalling, and serotonin syndrome has been reported with the combination, although the absolute risk appears low. Triptans are often needed in migraine patients who also take antidepressants.
What this interaction means in plain words
Citalopram 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 from 5-HT1B/1D agonism and serotonin reuptake inhibition.
What to do
The combination can be used with awareness; counsel patients on serotonin syndrome symptoms and monitor, especially at initiation or dose increases. Stop and treat if symptoms develop.
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 Citalopram
- Cisapride + Citalopram Contraindicated
- Citalopram + Dronedarone Contraindicated
- Citalopram + Escitalopram Contraindicated
- Citalopram + Isocarboxazid Contraindicated
- Citalopram + Methylene blue Contraindicated
- Citalopram + Phenelzine Contraindicated
Frequently asked questions
Can I take Citalopram with Sumatriptan intranasal?
MediHelp rates the interaction as moderate. Citalopram 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 and SSRIs both enhance serotonergic signalling, and serotonin syndrome has been reported with the combination, although the absolute risk appears low. Triptans are often needed in migraine patients who also take antidepressants.
How serious is the interaction between Citalopram 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 with awareness; counsel patients on serotonin syndrome symptoms and monitor, especially at initiation or dose increases. Stop and treat if symptoms develop.
What other medicines interact with Citalopram?
MediHelp also lists interactions of Citalopram with, for example, Cisapride, Dronedarone, Escitalopram. The full list is on the Citalopram page.
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