Drug interactions
Morphine + Sumatriptan intranasal
Severity: Minor
Morphine 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
Triptans combined with opioids have been listed as a theoretical risk for serotonin syndrome. Morphine has little serotonergic activity, so actual risk is low.
What this interaction means in plain words
Morphine 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.
Why it happens
Theoretical additive serotonergic effects.
What to do
No routine change is needed; advise patients to report symptoms such as agitation, tremor, sweating or fever.
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?
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Other interactions of Morphine
- Alvimopan + Morphine Contraindicated
- Isocarboxazid + Morphine Contraindicated
- Morphine + Olanzapine / samidorphan Contraindicated
- Morphine + Phenelzine Contraindicated
- Morphine + Tranylcypromine Contraindicated
- Alfentanil + Morphine Major
Frequently asked questions
Can I take Morphine with Sumatriptan intranasal?
MediHelp rates the interaction as minor. Morphine 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. Triptans combined with opioids have been listed as a theoretical risk for serotonin syndrome. Morphine has little serotonergic activity, so actual risk is low.
How serious is the interaction between Morphine 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 routine change is needed; advise patients to report symptoms such as agitation, tremor, sweating or fever.
What other medicines interact with Morphine?
MediHelp also lists interactions of Morphine with, for example, Alvimopan, Isocarboxazid, Olanzapine / samidorphan. The full list is on the Morphine page.
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