Drug interactions
Betaxolol + Isradipine
Severity: Moderate
Betaxolol and Isradipine: 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
Combining a beta-blocker with a dihydropyridine calcium channel blocker gives additive blood pressure lowering. This is often used therapeutically but can cause excessive hypotension, especially at the start of treatment or after dose increases.
What this interaction means in plain words
Betaxolol and Isradipine 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.
Why it happens
Additive pharmacodynamic effect of beta-blockade and arterial vasodilation.
What to do
Monitor blood pressure and heart rate when starting or adjusting either drug. Titrate doses gradually.
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
Frequently asked questions
Can I take Betaxolol with Isradipine?
MediHelp rates the interaction as moderate. Betaxolol and Isradipine 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. Combining a beta-blocker with a dihydropyridine calcium channel blocker gives additive blood pressure lowering. This is often used therapeutically but can cause excessive hypotension, especially at the start of treatment or after dose increases.
How serious is the interaction between Betaxolol and Isradipine?
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 heart rate when starting or adjusting either drug. Titrate doses gradually.
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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