Drug interactions
Citalopram + Dihydroergotamine intranasal
Severity: Moderate
Citalopram and Dihydroergotamine 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
Combining an SSRI with intranasal DHE may add serotonergic effects, with isolated reports of serotonin syndrome. Systemic exposure from the nasal route is lower than from injection but is still relevant.
What this interaction means in plain words
Citalopram and Dihydroergotamine 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 activity at 5-HT receptors, with SSRI-enhanced serotonin availability.
What to do
Monitor for signs of serotonin syndrome after starting or changing doses, and educate patients to seek help if symptoms appear. Consider alternative migraine therapy if toxicity occurs.
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 Dihydroergotamine intranasal?
MediHelp rates the interaction as moderate. Citalopram and Dihydroergotamine 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. Combining an SSRI with intranasal DHE may add serotonergic effects, with isolated reports of serotonin syndrome. Systemic exposure from the nasal route is lower than from injection but is still relevant.
How serious is the interaction between Citalopram and Dihydroergotamine 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: Monitor for signs of serotonin syndrome after starting or changing doses, and educate patients to seek help if symptoms appear. Consider alternative migraine therapy if toxicity occurs.
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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