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Drug interactions

Cabergoline + Phentermine

Severity: Moderate

Cabergoline and Phentermine: 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

Phentermine is a sympathomimetic that can raise blood pressure and heart rate. Cabergoline may add vasoconstrictive effects, so hypertension could be more pronounced. Cabergoline-associated valvulopathy also matters in an anorectic setting, where valve effects are a known concern.

What this interaction means in plain words

Cabergoline and Phentermine 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.

Cabergoline belongs to Endocrine; Phentermine belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive pressor effects from sympathomimetic and ergoline vasoconstrictive actions.

What to do

Monitor blood pressure and heart rate, and avoid in patients with uncontrolled hypertension or known valvular disease.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Cabergoline with Phentermine?

MediHelp rates the interaction as moderate. Cabergoline and Phentermine 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. Phentermine is a sympathomimetic that can raise blood pressure and heart rate. Cabergoline may add vasoconstrictive effects, so hypertension could be more pronounced. Cabergoline-associated valvulopathy also matters in an anorectic setting, where valve effects are a known concern.

How serious is the interaction between Cabergoline and Phentermine?

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 heart rate, and avoid in patients with uncontrolled hypertension or known valvular disease.

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.

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.

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