Drug interactions
Bromocriptine + Letermovir
Severity: Moderate
Bromocriptine and Letermovir: 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
Letermovir inhibits CYP3A4 and can raise concentrations of CYP3A substrates such as bromocriptine. This may amplify bromocriptine adverse effects including hypotension, nausea and somnolence.
What this interaction means in plain words
Bromocriptine and Letermovir 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; Letermovir belongs to Anti Virals.
Why it happens
Letermovir moderately inhibits CYP3A4, reducing bromocriptine clearance.
What to do
Monitor blood pressure and tolerability during coadministration and reduce the bromocriptine dose if adverse effects appear. Reassess after letermovir is stopped.
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 Letermovir
- Ergotamine + Letermovir Contraindicated
- Letermovir + Pimozide Contraindicated
- Apalutamide + Letermovir Major
- Atorvastatin + Letermovir Major
- Carbamazepine + Letermovir Major
- Colchicine + Letermovir Major
Frequently asked questions
Can I take Bromocriptine with Letermovir?
MediHelp rates the interaction as moderate. Bromocriptine and Letermovir 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. Letermovir inhibits CYP3A4 and can raise concentrations of CYP3A substrates such as bromocriptine. This may amplify bromocriptine adverse effects including hypotension, nausea and somnolence.
How serious is the interaction between Bromocriptine and Letermovir?
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 blood pressure and tolerability during coadministration and reduce the bromocriptine dose if adverse effects appear. Reassess after letermovir is stopped.
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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