Drug interactions
Bromocriptine + Methylergonovine
Severity: Major
Bromocriptine and Methylergonovine: major interaction.
Last updated Sources: US FDA label
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 ergot derivatives, and combined use may increase vasoconstriction and the risk of hypertension, vasospasm or ischemia. Postpartum use of bromocriptine with methylergonovine has raised concern for hypertensive and cardiovascular events.
What this interaction means in plain words
Bromocriptine 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 vasoconstrictive effects of two ergot alkaloids.
What to do
Avoid concurrent use; monitor blood pressure and neurological symptoms if methylergonovine is needed for postpartum hemorrhage in a patient on bromocriptine.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Bromocriptine and Methylergonovine, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
References
Other interactions of Bromocriptine
Frequently asked questions
Can I take Bromocriptine with Methylergonovine?
MediHelp rates the interaction as major. Bromocriptine 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. Both drugs are ergot derivatives, and combined use may increase vasoconstriction and the risk of hypertension, vasospasm or ischemia. Postpartum use of bromocriptine with methylergonovine has raised concern for hypertensive and cardiovascular events.
How serious is the interaction between Bromocriptine 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 concurrent use; monitor blood pressure and neurological symptoms if methylergonovine is needed for postpartum hemorrhage in a patient on bromocriptine.
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.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
