Drug interactions
Bosentan + Dihydroergotamine intranasal
Severity: Minor
Bosentan and Dihydroergotamine 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
Bosentan may modestly lower systemic dihydroergotamine exposure via CYP3A4 induction. The likely consequence is reduced migraine relief.
What this interaction means in plain words
Bosentan and Dihydroergotamine 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
Bosentan induces CYP3A4, increasing dihydroergotamine clearance.
What to do
Monitor headache response and use alternative abortive therapy if effect is insufficient.
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 Bosentan
- Bosentan + Cyclosporin Contraindicated
- Bosentan + Glibenclamide Contraindicated
- Bosentan + Glyburide-metformin Contraindicated
- Bosentan + Lonafarnib Contraindicated
- Bosentan + Sparsentan Contraindicated
- Artemether / lumefantrine + Bosentan Major
Frequently asked questions
Can I take Bosentan with Dihydroergotamine intranasal?
MediHelp rates the interaction as minor. Bosentan and Dihydroergotamine 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. Bosentan may modestly lower systemic dihydroergotamine exposure via CYP3A4 induction. The likely consequence is reduced migraine relief.
How serious is the interaction between Bosentan and Dihydroergotamine 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: Monitor headache response and use alternative abortive therapy if effect is insufficient.
What other medicines interact with Bosentan?
MediHelp also lists interactions of Bosentan with, for example, Cyclosporin, Glibenclamide, Glyburide-metformin. The full list is on the Bosentan page.
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