Drug interactions
Betaxolol + Budesonide-formoterol
Severity: Moderate
Betaxolol and Budesonide-formoterol: 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
Betaxolol is a beta-1 selective blocker, and systemic absorption after oral use can antagonize formoterol's bronchodilator effect and risk bronchospasm in reactive airway disease. Ophthalmic betaxolol has less systemic exposure but is still not risk-free in asthma.
What this interaction means in plain words
Betaxolol and Budesonide-formoterol 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; Budesonide-formoterol belongs to Respiratory.
Why it happens
Pharmacodynamic antagonism at beta-2 receptors, with partial loss of selectivity at higher doses.
What to do
Monitor respiratory symptoms and lung function when starting or increasing betaxolol. Use the lowest effective dose and reassess if bronchospasm 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 Budesonide-formoterol
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 Budesonide-formoterol?
MediHelp rates the interaction as moderate. Betaxolol and Budesonide-formoterol 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 is a beta-1 selective blocker, and systemic absorption after oral use can antagonize formoterol's bronchodilator effect and risk bronchospasm in reactive airway disease. Ophthalmic betaxolol has less systemic exposure but is still not risk-free in asthma.
How serious is the interaction between Betaxolol and Budesonide-formoterol?
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 respiratory symptoms and lung function when starting or increasing betaxolol. Use the lowest effective dose and reassess if bronchospasm occurs.
What other medicines interact with Budesonide-formoterol?
MediHelp also lists interactions of Budesonide-formoterol with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Budesonide-formoterol page.
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