Drug interactions
Levosalbutamol + Phenylephrine
Severity: Moderate
Levosalbutamol 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
Both drugs have sympathomimetic activity, so combined use can add to increases in heart rate and blood pressure and may provoke palpitations or arrhythmia. The risk is greatest with systemic phenylephrine and in patients with cardiovascular disease.
What this interaction means in plain words
Levosalbutamol 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.
Levosalbutamol belongs to Respiratory; Phenylephrine belongs to Respiratory.
Why it happens
Additive adrenergic stimulation (beta-2 agonism with alpha-1 agonism) producing cardiovascular effects.
What to do
Monitor heart rate and blood pressure, especially in patients with hypertension, arrhythmia or ischemic heart disease. Prefer to avoid systemic phenylephrine decongestants in these patients.
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 Levosalbutamol
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 Levosalbutamol with Phenylephrine?
MediHelp rates the interaction as moderate. Levosalbutamol 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. Both drugs have sympathomimetic activity, so combined use can add to increases in heart rate and blood pressure and may provoke palpitations or arrhythmia. The risk is greatest with systemic phenylephrine and in patients with cardiovascular disease.
How serious is the interaction between Levosalbutamol 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 and blood pressure, especially in patients with hypertension, arrhythmia or ischemic heart disease. Prefer to avoid systemic phenylephrine decongestants in these patients.
What other medicines interact with Levosalbutamol?
MediHelp also lists interactions of Levosalbutamol with, for example, Amisulpride, Carvedilol, Fexinidazole. The full list is on the Levosalbutamol page.
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