Drug interactions
Bromocriptine + Isoproterenol
Severity: Moderate
Bromocriptine and Isoproterenol: moderate 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
Isoproterenol stimulates cardiac beta-receptors, and bromocriptine has vasoactive and occasionally cardiovascular effects. Together they may increase the risk of tachyarrhythmia and blood pressure changes, though evidence is limited.
What this interaction means in plain words
Bromocriptine and Isoproterenol can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Bromocriptine belongs to Central Nervous System; Isoproterenol belongs to Respiratory.
Why it happens
Additive cardiovascular pharmacodynamic effects; the interaction is largely theoretical.
What to do
Monitor heart rate, rhythm and blood pressure during isoproterenol therapy in patients taking bromocriptine. Reduce the isoproterenol dose if arrhythmias develop.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Bromocriptine
Other interactions of Isoproterenol
Frequently asked questions
Can I take Bromocriptine with Isoproterenol?
MediHelp rates the interaction as moderate. Bromocriptine and Isoproterenol can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Isoproterenol stimulates cardiac beta-receptors, and bromocriptine has vasoactive and occasionally cardiovascular effects. Together they may increase the risk of tachyarrhythmia and blood pressure changes, though evidence is limited.
How serious is the interaction between Bromocriptine and Isoproterenol?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor heart rate, rhythm and blood pressure during isoproterenol therapy in patients taking bromocriptine. Reduce the isoproterenol dose if arrhythmias develop.
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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