Drug interactions
Sumatriptan intranasal + Trimipramine
Severity: Moderate
Sumatriptan intranasal and Trimipramine: 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 tricyclic antidepressants both enhance serotonergic signaling, and serotonin syndrome has been reported with triptan and antidepressant combinations. The absolute risk appears low, and trimipramine is a weak reuptake inhibitor.
What this interaction means in plain words
Sumatriptan intranasal and Trimipramine 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 through 5-HT1B/1D agonism and serotonin reuptake modulation.
What to do
Counsel the patient on serotonin syndrome symptoms and avoid frequent triptan dosing. Stop both and treat if agitation, clonus, hyperthermia, or tachycardia appear.
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 Trimipramine
- Disopyramide + Trimipramine Contraindicated
- Dofetilide + Trimipramine Contraindicated
- Ibutilide + Trimipramine Contraindicated
- Isocarboxazid + Trimipramine Contraindicated
- Pentamidine + Trimipramine Contraindicated
- Phenelzine + Trimipramine Contraindicated
Frequently asked questions
Can I take Sumatriptan intranasal with Trimipramine?
MediHelp rates the interaction as moderate. Sumatriptan intranasal and Trimipramine 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 tricyclic antidepressants both enhance serotonergic signaling, and serotonin syndrome has been reported with triptan and antidepressant combinations. The absolute risk appears low, and trimipramine is a weak reuptake inhibitor.
How serious is the interaction between Sumatriptan intranasal and Trimipramine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel the patient on serotonin syndrome symptoms and avoid frequent triptan dosing. Stop both and treat if agitation, clonus, hyperthermia, or tachycardia appear.
What other medicines interact with Trimipramine?
MediHelp also lists interactions of Trimipramine with, for example, Disopyramide, Dofetilide, Ibutilide. The full list is on the Trimipramine page.
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