Drug interactions
Dobutamine + Methylergonovine
Severity: Major
Dobutamine and Methylergonovine: 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
Methylergonovine is a potent uterine and vascular constrictor that can raise blood pressure and cause vasospasm. Dobutamine adds adrenergic cardiovascular stimulation, so hypertension and ischemia are more likely. Severe hypertension has been reported with ergot alkaloids and sympathomimetics.
What this interaction means in plain words
Dobutamine and Methylergonovine 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 vasoconstriction and cardiovascular stimulation.
What to do
Avoid the combination where alternatives exist, for example other uterotonics in postpartum hemorrhage. If both are required, monitor blood pressure continuously and treat hypertension promptly.
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 Dobutamine with Methylergonovine?
MediHelp rates the interaction as major. Dobutamine and Methylergonovine 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. Methylergonovine is a potent uterine and vascular constrictor that can raise blood pressure and cause vasospasm. Dobutamine adds adrenergic cardiovascular stimulation, so hypertension and ischemia are more likely. Severe hypertension has been reported with ergot alkaloids and sympathomimetics.
How serious is the interaction between Dobutamine and Methylergonovine?
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 where alternatives exist, for example other uterotonics in postpartum hemorrhage. If both are required, monitor blood pressure continuously and treat hypertension promptly.
What other medicines interact with Dobutamine?
MediHelp also lists interactions of Dobutamine with, for example, Budesonide-formoterol, Dihydroergotamine intranasal, Dihydroergotamine. The full list is on the Dobutamine page.
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