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Drug interactions

Carbidopa-entacapone-levodopa + Epoprostenol

Severity: Moderate

Carbidopa-entacapone-levodopa and Epoprostenol: 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

Epoprostenol is a potent vasodilator, and levodopa therapy can contribute to hypotension and orthostatic intolerance. Combined use may produce additive blood pressure lowering.

What this interaction means in plain words

Carbidopa-entacapone-levodopa and Epoprostenol 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.

Carbidopa-entacapone-levodopa belongs to Central Nervous System; Epoprostenol belongs to Genitourinary.

Evidence level: Low

Why it happens

Additive pharmacodynamic vasodilatory and hypotensive effects.

What to do

Monitor blood pressure and symptoms of hypotension when either drug is started or titrated. Adjust the epoprostenol dose according to tolerance.

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 Carbidopa-entacapone-levodopa with Epoprostenol?

MediHelp rates the interaction as moderate. Carbidopa-entacapone-levodopa and Epoprostenol 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. Epoprostenol is a potent vasodilator, and levodopa therapy can contribute to hypotension and orthostatic intolerance. Combined use may produce additive blood pressure lowering.

How serious is the interaction between Carbidopa-entacapone-levodopa and Epoprostenol?

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 symptoms of hypotension when either drug is started or titrated. Adjust the epoprostenol dose according to tolerance.

What other medicines interact with Carbidopa-entacapone-levodopa?

MediHelp also lists interactions of Carbidopa-entacapone-levodopa with, for example, Isocarboxazid, Phenelzine, Selegiline transdermal. The full list is on the Carbidopa-entacapone-levodopa page.

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