Drug interactions
Indacaterol + Phenylephrine
Severity: Moderate
Indacaterol 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
Phenylephrine is an alpha-adrenergic agonist, and adding it to a long-acting beta-2 agonist may amplify sympathetic effects such as hypertension, tachycardia and palpitations. The effect is usually modest with short-term or topical decongestant use.
What this interaction means in plain words
Indacaterol 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 belongs to Respiratory; Phenylephrine belongs to Respiratory.
Why it happens
Additive adrenergic stimulation of the cardiovascular system.
What to do
Monitor blood pressure and heart rate, particularly in patients with cardiovascular disease. Limit use of oral decongestant doses.
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 Indacaterol
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 with Phenylephrine?
MediHelp rates the interaction as moderate. Indacaterol 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. Phenylephrine is an alpha-adrenergic agonist, and adding it to a long-acting beta-2 agonist may amplify sympathetic effects such as hypertension, tachycardia and palpitations. The effect is usually modest with short-term or topical decongestant use.
How serious is the interaction between Indacaterol 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 blood pressure and heart rate, particularly in patients with cardiovascular disease. Limit use of oral decongestant doses.
What other medicines interact with Indacaterol?
MediHelp also lists interactions of Indacaterol with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Indacaterol page.
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