Drug interactions
Dihydroergotamine + Frovatriptan
Severity: Contraindicated
Dihydroergotamine and Frovatriptan: contraindicated 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
Both drugs are vasoconstrictors acting on serotonin receptors, and together they can cause prolonged vasospasm. Cases of peripheral and cerebral ischemia are described with triptan-ergot combinations.
What this interaction means in plain words
Dihydroergotamine and Frovatriptan are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.
Dihydroergotamine belongs to Central Nervous System; Frovatriptan belongs to Central Nervous System.
Why it happens
Additive vasoconstriction through 5-HT1B/1D agonism and ergot-mediated vascular receptor effects.
What to do
Do not use within 24 hours of each other. Choose one agent for each migraine attack.
What to ask your pharmacist
- Is there an alternative to one of these two medicines for me?
- If both are essential, who is monitoring me and how often?
- Which symptoms mean I should stop and seek help straight away?
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Other interactions of Frovatriptan
- Almotriptan + Frovatriptan Contraindicated
- Dihydroergotamine intranasal + Frovatriptan Contraindicated
- Eletriptan + Frovatriptan Contraindicated
- Ergoloid mesylates + Frovatriptan Contraindicated
- Ergotamine + Frovatriptan Contraindicated
- Frovatriptan + Methylergonovine Contraindicated
Other interactions of Dihydroergotamine
- Almotriptan + Dihydroergotamine Contraindicated
- Clarithromycin + Dihydroergotamine Contraindicated
- Dihydroergotamine + Dopamine Contraindicated
- Dihydroergotamine + Dronedarone Contraindicated
- Dihydroergotamine + Efavirenz Contraindicated
- Dihydroergotamine + Eletriptan Contraindicated
Frequently asked questions
Can I take Dihydroergotamine with Frovatriptan?
MediHelp rates the interaction as contraindicated. Dihydroergotamine and Frovatriptan are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Both drugs are vasoconstrictors acting on serotonin receptors, and together they can cause prolonged vasospasm. Cases of peripheral and cerebral ischemia are described with triptan-ergot combinations.
How serious is the interaction between Dihydroergotamine and Frovatriptan?
MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Do not use within 24 hours of each other. Choose one agent for each migraine attack.
What other medicines interact with Frovatriptan?
MediHelp also lists interactions of Frovatriptan with, for example, Almotriptan, Dihydroergotamine intranasal, Eletriptan. The full list is on the Frovatriptan page.
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