Drug interactions
Epinephrine + Salbutamol
Severity: Moderate
Epinephrine 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
Epinephrine and salbutamol are both adrenergic agonists, so combined use can increase tachycardia, hypertension, tremor and arrhythmia risk, and both can lower serum potassium. The concern is greatest in patients with heart disease or when systemic doses are given.
What this interaction means in plain words
Epinephrine 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.
Epinephrine belongs to Endocrine; Salbutamol belongs to Respiratory.
Why it happens
Additive beta-adrenergic stimulation and beta-2 mediated intracellular potassium shift.
What to do
Monitor heart rate, blood pressure, ECG and serum potassium when both are given, and avoid repeated high doses of both without need. In anaphylaxis, give epinephrine without delay and manage cardiovascular effects as they arise.
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
Other interactions of Epinephrine
- Epinephrine + Isocarboxazid Contraindicated
- Epinephrine + Phenelzine Contraindicated
- Epinephrine + Tranylcypromine Contraindicated
- Acebutolol + Epinephrine Major
- Amitriptyline + Epinephrine Major
- Amoxapine + Epinephrine Major
Frequently asked questions
Can I take Epinephrine with Salbutamol?
MediHelp rates the interaction as moderate. Epinephrine 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. Epinephrine and salbutamol are both adrenergic agonists, so combined use can increase tachycardia, hypertension, tremor and arrhythmia risk, and both can lower serum potassium. The concern is greatest in patients with heart disease or when systemic doses are given.
How serious is the interaction between Epinephrine 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: Monitor heart rate, blood pressure, ECG and serum potassium when both are given, and avoid repeated high doses of both without need. In anaphylaxis, give epinephrine without delay and manage cardiovascular effects as they arise.
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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