Drug interactions
Olodaterol inhaled + Pirbuterol
Severity: Moderate
Olodaterol inhaled and Pirbuterol: 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 two beta-2 agonists gives additive adrenergic stimulation. This can cause tachycardia, palpitations, tremor, raised blood pressure and hypokalemia, and may raise the risk of arrhythmia in patients with cardiac disease.
What this interaction means in plain words
Olodaterol inhaled and Pirbuterol 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-adrenergic receptor agonism, with cardiovascular and potassium-lowering effects.
What to do
Avoid regular concurrent use of two short- and long-acting beta-2 agonists where possible. If both are needed, monitor heart rate, blood pressure and serum potassium.
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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Frequently asked questions
Can I take Olodaterol inhaled with Pirbuterol?
MediHelp rates the interaction as moderate. Olodaterol inhaled and Pirbuterol 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 two beta-2 agonists gives additive adrenergic stimulation. This can cause tachycardia, palpitations, tremor, raised blood pressure and hypokalemia, and may raise the risk of arrhythmia in patients with cardiac disease.
How serious is the interaction between Olodaterol inhaled and Pirbuterol?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid regular concurrent use of two short- and long-acting beta-2 agonists where possible. If both are needed, monitor heart rate, blood pressure and serum potassium.
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