Drug interactions
Candesartan + Carbidopa-levodopa
Severity: Moderate
Candesartan and Carbidopa-levodopa: 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 candesartan adds to the blood pressure lowering effect. Dizziness and falls may occur, especially early in treatment.
What this interaction means in plain words
Candesartan and Carbidopa-levodopa 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.
Candesartan belongs to Cardiovascular; Carbidopa-levodopa belongs to Central Nervous System.
Why it happens
Additive pharmacodynamic hypotensive effects of levodopa and angiotensin receptor blockade.
What to do
Monitor orthostatic blood pressure when levodopa is started or increased. Reduce the candesartan dose if symptomatic hypotension occurs.
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 Candesartan
- Aliskiren + Candesartan Contraindicated
- Candesartan + Sparsentan Contraindicated
- Amifostine + Candesartan Major
- Amiloride + Candesartan Major
- Amlodipine-benazepril + Candesartan Major
- Amlodipine-hydrochlorothiazide-valsartan + Candesartan Major
Frequently asked questions
Can I take Candesartan with Carbidopa-levodopa?
MediHelp rates the interaction as moderate. Candesartan and Carbidopa-levodopa 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 candesartan adds to the blood pressure lowering effect. Dizziness and falls may occur, especially early in treatment.
How serious is the interaction between Candesartan and Carbidopa-levodopa?
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 orthostatic blood pressure when levodopa is started or increased. Reduce the candesartan dose if symptomatic hypotension occurs.
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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