Drug interactions
Cabergoline + Saquinavir
Severity: Moderate
Cabergoline and Saquinavir: 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
Saquinavir, usually boosted with ritonavir, inhibits CYP3A4 and may raise cabergoline levels. Increased exposure could produce ergot-related adverse effects such as hypotension and vasospasm. Clinical data for cabergoline are limited.
What this interaction means in plain words
Cabergoline and Saquinavir 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.
Why it happens
Inhibition of CYP3A4-mediated metabolism of cabergoline.
What to do
Use the lowest effective cabergoline dose and monitor blood pressure and for ergotism symptoms.
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 Cabergoline
Frequently asked questions
Can I take Cabergoline with Saquinavir?
MediHelp rates the interaction as moderate. Cabergoline and Saquinavir 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. Saquinavir, usually boosted with ritonavir, inhibits CYP3A4 and may raise cabergoline levels. Increased exposure could produce ergot-related adverse effects such as hypotension and vasospasm. Clinical data for cabergoline are limited.
How serious is the interaction between Cabergoline and Saquinavir?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the lowest effective cabergoline dose and monitor blood pressure and for ergotism symptoms.
What other medicines interact with Cabergoline?
MediHelp also lists interactions of Cabergoline with, for example, Benperidol, Chlorpromazine, Clarithromycin. The full list is on the Cabergoline page.
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