Drug interactions
Carbidopa-levodopa + Eplerenone
Severity: Moderate
Carbidopa-levodopa and Eplerenone: 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
Levodopa may cause orthostatic hypotension, and eplerenone adds a blood pressure lowering effect. The combination may lead to dizziness or falls.
What this interaction means in plain words
Carbidopa-levodopa and Eplerenone 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-levodopa belongs to Central Nervous System; Eplerenone belongs to Cardiovascular.
Why it happens
Additive pharmacodynamic hypotensive effects of levodopa and aldosterone antagonism.
What to do
Monitor blood pressure and orthostatic symptoms when either drug is started or adjusted. Reduce the antihypertensive dose if hypotension develops.
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 Carbidopa-levodopa
- Carbidopa-levodopa + Isocarboxazid Contraindicated
- Carbidopa-levodopa + Phenelzine Contraindicated
- Carbidopa-levodopa + Selegiline transdermal Contraindicated
- Carbidopa-levodopa + Tranylcypromine Contraindicated
- Amisulpride + Carbidopa-levodopa Major
- Asenapine + Carbidopa-levodopa Major
Other interactions of Eplerenone
- Amiloride + Eplerenone Contraindicated
- Atazanavir + Eplerenone Contraindicated
- Clarithromycin + Eplerenone Contraindicated
- Cobicistat + Eplerenone Contraindicated
- Elvitegravir / cobicistat / emtricitabine / tenofovir df + Eplerenone Contraindicated
- Ensitrelvir + Eplerenone Contraindicated
Frequently asked questions
Can I take Carbidopa-levodopa with Eplerenone?
MediHelp rates the interaction as moderate. Carbidopa-levodopa and Eplerenone 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. Levodopa may cause orthostatic hypotension, and eplerenone adds a blood pressure lowering effect. The combination may lead to dizziness or falls.
How serious is the interaction between Carbidopa-levodopa and Eplerenone?
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 orthostatic symptoms when either drug is started or adjusted. Reduce the antihypertensive dose if hypotension develops.
What other medicines interact with Carbidopa-levodopa?
MediHelp also lists interactions of Carbidopa-levodopa with, for example, Isocarboxazid, Phenelzine, Selegiline transdermal. The full list is on the Carbidopa-levodopa page.
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