Drug interactions
Olodaterol inhaled + Salbutamol
Severity: Moderate
Olodaterol inhaled and Salbutamol: 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
Both drugs are beta-2 agonists, so combining them duplicates therapy and increases tachycardia, tremor, hypokalemia and the risk of QT prolongation or arrhythmia. Olodaterol is a long-acting agent intended for maintenance use, and salbutamol is normally only needed as rescue.
What this interaction means in plain words
Olodaterol inhaled and Salbutamol 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 beta-2 receptor agonism with cardiovascular and potassium-lowering effects.
What to do
Salbutamol can be used as rescue on top of olodaterol, but avoid regular scheduled use of other beta-agonists. Monitor heart rate and potassium in patients with heart disease or frequent rescue use.
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 Salbutamol
Frequently asked questions
Can I take Olodaterol inhaled with Salbutamol?
MediHelp rates the interaction as moderate. Olodaterol inhaled and Salbutamol 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. Both drugs are beta-2 agonists, so combining them duplicates therapy and increases tachycardia, tremor, hypokalemia and the risk of QT prolongation or arrhythmia. Olodaterol is a long-acting agent intended for maintenance use, and salbutamol is normally only needed as rescue.
How serious is the interaction between Olodaterol inhaled and Salbutamol?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Salbutamol can be used as rescue on top of olodaterol, but avoid regular scheduled use of other beta-agonists. Monitor heart rate and potassium in patients with heart disease or frequent rescue use.
What other medicines interact with Salbutamol?
MediHelp also lists interactions of Salbutamol with, for example, Arsenic trioxide, Carvedilol, Droperidol. The full list is on the Salbutamol page.
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