Drug interactions
Bromocriptine + Glyceryl trinitrate pr
Severity: Minor
Bromocriptine and Glyceryl trinitrate pr: minor 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
Rectal glyceryl trinitrate is a vasodilator, whereas bromocriptine, an ergot derivative, can cause vasoconstriction and hypertension. Any real opposition is limited, and the legacy contraindication does not match established labeling. The relevance is mostly a theoretical reduced anti-anginal or vasodilator effect.
What this interaction means in plain words
Bromocriptine and Glyceryl trinitrate pr have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Theoretical opposing vascular effects; no well-established mechanism.
What to do
No routine change is needed; monitor blood pressure and angina control if bromocriptine is started.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Bromocriptine
Frequently asked questions
Can I take Bromocriptine with Glyceryl trinitrate pr?
MediHelp rates the interaction as minor. Bromocriptine and Glyceryl trinitrate pr have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Rectal glyceryl trinitrate is a vasodilator, whereas bromocriptine, an ergot derivative, can cause vasoconstriction and hypertension. Any real opposition is limited, and the legacy contraindication does not match established labeling. The relevance is mostly a theoretical reduced anti-anginal or vasodilator effect.
How serious is the interaction between Bromocriptine and Glyceryl trinitrate pr?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine change is needed; monitor blood pressure and angina control if bromocriptine is started.
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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