Drug interactions
Indacaterol inhaled + Phenylephrine
Severity: Moderate
Indacaterol inhaled and Phenylephrine: 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
Indacaterol is a long-acting beta-2 agonist whose cardiovascular effects can be potentiated by other sympathomimetics. Adding systemic phenylephrine may lead to higher blood pressure, tachycardia or arrhythmia.
What this interaction means in plain words
Indacaterol inhaled and Phenylephrine 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 adrenergic stimulation from beta-2 agonism and alpha-1 agonism.
What to do
Monitor heart rate, blood pressure and rhythm when systemic phenylephrine is used with indacaterol. Avoid oral decongestants in patients with cardiovascular disease.
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 Phenylephrine
- Isocarboxazid + Phenylephrine Contraindicated
- Phenelzine + Phenylephrine Contraindicated
- Phenylephrine + Tranylcypromine Contraindicated
- Bromocriptine + Phenylephrine Major
- Cocaine + Phenylephrine Major
- Dihydroergotamine intranasal + Phenylephrine Major
Frequently asked questions
Can I take Indacaterol inhaled with Phenylephrine?
MediHelp rates the interaction as moderate. Indacaterol inhaled and Phenylephrine 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. Indacaterol is a long-acting beta-2 agonist whose cardiovascular effects can be potentiated by other sympathomimetics. Adding systemic phenylephrine may lead to higher blood pressure, tachycardia or arrhythmia.
How serious is the interaction between Indacaterol inhaled and Phenylephrine?
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 heart rate, blood pressure and rhythm when systemic phenylephrine is used with indacaterol. Avoid oral decongestants in patients with cardiovascular disease.
What other medicines interact with Phenylephrine?
MediHelp also lists interactions of Phenylephrine with, for example, Isocarboxazid, Phenelzine, Tranylcypromine. The full list is on the Phenylephrine page.
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