Drug interactions
Bromocriptine + Dihydroergotamine intranasal
Severity: Major
Bromocriptine and Dihydroergotamine intranasal: 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
Intranasal dihydroergotamine is absorbed systemically and combined with bromocriptine may add to ergot-related vasoconstriction, causing hypertension, vasospasm or peripheral ischemia. The combination offers little benefit relative to its risk.
What this interaction means in plain words
Bromocriptine and Dihydroergotamine intranasal 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.
Why it happens
Additive pharmacodynamic vasoconstrictive and ergot-related effects at vascular receptors.
What to do
Avoid the combination and use a non-ergot migraine therapy if bromocriptine is required. If both are used, monitor blood pressure and for signs of ischemia.
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?
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Other interactions of Bromocriptine
Frequently asked questions
Can I take Bromocriptine with Dihydroergotamine intranasal?
MediHelp rates the interaction as major. Bromocriptine and Dihydroergotamine intranasal 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. Intranasal dihydroergotamine is absorbed systemically and combined with bromocriptine may add to ergot-related vasoconstriction, causing hypertension, vasospasm or peripheral ischemia. The combination offers little benefit relative to its risk.
How serious is the interaction between Bromocriptine and Dihydroergotamine intranasal?
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 the combination and use a non-ergot migraine therapy if bromocriptine is required. If both are used, monitor blood pressure and for signs of ischemia.
What other medicines interact with Bromocriptine?
MediHelp also lists interactions of Bromocriptine with, for example, Amisulpride, Atazanavir, Cobicistat. The full list is on the Bromocriptine page.
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