Drug interactions
Dihydroergotamine intranasal + Dobutamine
Severity: Major
Dihydroergotamine intranasal and Dobutamine: 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 can cause vasoconstriction, which may add to dobutamine's cardiovascular stimulation. This may lead to hypertension and reduced peripheral perfusion. The evidence is mainly theoretical.
What this interaction means in plain words
Dihydroergotamine intranasal and Dobutamine 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 vasoconstriction and cardiovascular stimulation.
What to do
Avoid giving dihydroergotamine to patients on dobutamine infusion; use another migraine therapy. If unavoidable, monitor blood pressure and limb perfusion closely.
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 Dobutamine
Frequently asked questions
Can I take Dihydroergotamine intranasal with Dobutamine?
MediHelp rates the interaction as major. Dihydroergotamine intranasal and Dobutamine 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 can cause vasoconstriction, which may add to dobutamine's cardiovascular stimulation. This may lead to hypertension and reduced peripheral perfusion. The evidence is mainly theoretical.
How serious is the interaction between Dihydroergotamine intranasal and Dobutamine?
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 giving dihydroergotamine to patients on dobutamine infusion; use another migraine therapy. If unavoidable, monitor blood pressure and limb perfusion closely.
What other medicines interact with Dobutamine?
MediHelp also lists interactions of Dobutamine with, for example, Budesonide-formoterol, Dihydroergotamine, Ergotamine. The full list is on the Dobutamine page.
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