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Drug interactions

Sumatriptan intranasal + Zolmitriptan

Severity: Major

Sumatriptan intranasal and Zolmitriptan: major 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

Taking two triptans close together provides additive 5-HT1B/1D agonism and a greater chance of coronary and other vasoconstriction. It offers no proven additional migraine relief.

What this interaction means in plain words

Sumatriptan intranasal and Zolmitriptan can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.

Evidence level: Moderate

Why it happens

Additive 5-HT1B/1D receptor agonism producing vasoconstriction.

What to do

Avoid using two triptans within 24 hours of each other. If one fails, wait at least 24 hours before trying the other, or change drug class.

What to ask your pharmacist

  • Does the benefit of taking both outweigh the risk in my case?
  • Do I need any blood test, ECG or other check while on both?
  • What early warning signs should I watch for, and what should I do if they appear?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Sumatriptan intranasal with Zolmitriptan?

MediHelp rates the interaction as major. Sumatriptan intranasal and Zolmitriptan can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Taking two triptans close together provides additive 5-HT1B/1D agonism and a greater chance of coronary and other vasoconstriction. It offers no proven additional migraine relief.

How serious is the interaction between Sumatriptan intranasal and Zolmitriptan?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid using two triptans within 24 hours of each other. If one fails, wait at least 24 hours before trying the other, or change drug class.

What other medicines interact with Zolmitriptan?

MediHelp also lists interactions of Zolmitriptan with, for example, Almotriptan, Dihydroergotamine intranasal, Dihydroergotamine. The full list is on the Zolmitriptan page.

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