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Drug interactions

Quetiapine + Sumatriptan intranasal

Severity: Minor

Quetiapine and Sumatriptan intranasal: minor 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

Antipsychotics and triptans have both been linked to serotonin toxicity in rare reports, although the risk with this combination is low. Quetiapine's dopamine blockade may also theoretically add to neuroleptic malignant syndrome risk.

What this interaction means in plain words

Quetiapine and Sumatriptan intranasal have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Evidence level: Low

Why it happens

Possible additive serotonergic effects; the mechanism is not firmly established.

What to do

No dose change is usually needed. Counsel patients to report agitation, fever, tremor, muscle rigidity or diarrhea.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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 Quetiapine with Sumatriptan intranasal?

MediHelp rates the interaction as minor. Quetiapine and Sumatriptan intranasal have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Antipsychotics and triptans have both been linked to serotonin toxicity in rare reports, although the risk with this combination is low. Quetiapine's dopamine blockade may also theoretically add to neuroleptic malignant syndrome risk.

How serious is the interaction between Quetiapine and Sumatriptan intranasal?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No dose change is usually needed. Counsel patients to report agitation, fever, tremor, muscle rigidity or diarrhea.

What other medicines interact with Quetiapine?

MediHelp also lists interactions of Quetiapine with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Quetiapine page.

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