Drug interactions
Carbidopa-levodopa + Ramipril
Severity: Moderate
Carbidopa-levodopa and Ramipril: 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 can cause orthostatic hypotension and ramipril lowers blood pressure through ACE inhibition. The combination may lead to additive hypotension, particularly in older or volume-depleted patients.
What this interaction means in plain words
Carbidopa-levodopa and Ramipril 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; Ramipril belongs to Cardiovascular.
Why it happens
Additive pharmacodynamic hypotensive effects of levodopa-related vasodilation and ACE inhibition.
What to do
Monitor blood pressure and orthostatic symptoms at initiation and after dose changes. Lower the ramipril 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 Ramipril
- Aliskiren + Ramipril Contraindicated
- Protein a column + Ramipril Contraindicated
- Ramipril + Sacubitril / valsartan Contraindicated
- Ramipril + Sacubitril-valsartan Contraindicated
- Amifostine + Ramipril Major
- Amiloride + Ramipril Major
Frequently asked questions
Can I take Carbidopa-levodopa with Ramipril?
MediHelp rates the interaction as moderate. Carbidopa-levodopa and Ramipril 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 can cause orthostatic hypotension and ramipril lowers blood pressure through ACE inhibition. The combination may lead to additive hypotension, particularly in older or volume-depleted patients.
How serious is the interaction between Carbidopa-levodopa and Ramipril?
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 at initiation and after dose changes. Lower the ramipril 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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