Drug interactions
Betaxolol + Levodopa
Severity: Moderate
Betaxolol and 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 lower blood pressure and cause orthostatic hypotension. Together with an antihypertensive such as betaxolol the hypotensive effect may be increased.
What this interaction means in plain words
Betaxolol and 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.
Betaxolol belongs to Cardiovascular; Levodopa belongs to Central Nervous System.
Why it happens
Additive hypotensive effects from dopaminergic vasodilation and beta-blockade.
What to do
Monitor standing and sitting blood pressure, especially when starting levodopa. Reduce the antihypertensive 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 Betaxolol
- Acebutolol + Betaxolol Major
- Aldesleukin + Betaxolol Major
- Amifostine + Betaxolol Major
- Amiodarone + Betaxolol Major
- Atenolol-chlorthalidone + Betaxolol Major
- Atenolol + Betaxolol Major
Other interactions of Levodopa
- Isocarboxazid + Levodopa Contraindicated
- Levodopa + Phenelzine Contraindicated
- Levodopa + Phenelzine (nonselective MAOI) Contraindicated
- Levodopa + Procarbazine Contraindicated
- Levodopa + Tranylcypromine Contraindicated
- Amisulpride + Levodopa Major
Frequently asked questions
Can I take Betaxolol with Levodopa?
MediHelp rates the interaction as moderate. Betaxolol and 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 lower blood pressure and cause orthostatic hypotension. Together with an antihypertensive such as betaxolol the hypotensive effect may be increased.
How serious is the interaction between Betaxolol and 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 standing and sitting blood pressure, especially when starting levodopa. Reduce the antihypertensive dose if symptomatic hypotension occurs.
What other medicines interact with Betaxolol?
MediHelp also lists interactions of Betaxolol with, for example, Acebutolol, Aldesleukin, Amifostine. The full list is on the Betaxolol page.
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