Drug interactions
Phentermine + Salbutamol
Severity: Moderate
Phentermine 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
Phentermine is a sympathomimetic appetite suppressant that increases heart rate and blood pressure. Salbutamol can add to these effects, causing tachycardia, palpitations and tremor.
What this interaction means in plain words
Phentermine 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.
Phentermine belongs to Central Nervous System; Salbutamol belongs to Respiratory.
Why it happens
Additive sympathomimetic effects from noradrenergic release and beta-2 agonism.
What to do
Monitor blood pressure and pulse, especially in patients with cardiac disease or hypertension. Review phentermine use if cardiovascular symptoms develop.
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 Phentermine
- Isocarboxazid + Phentermine Contraindicated
- Linezolid + Phentermine Contraindicated
- Phenelzine + Phentermine Contraindicated
- Phentermine + Procarbazine Contraindicated
- Phentermine + Rasagiline Contraindicated
- Phentermine + Selegiline Contraindicated
Frequently asked questions
Can I take Phentermine with Salbutamol?
MediHelp rates the interaction as moderate. Phentermine 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. Phentermine is a sympathomimetic appetite suppressant that increases heart rate and blood pressure. Salbutamol can add to these effects, causing tachycardia, palpitations and tremor.
How serious is the interaction between Phentermine 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 blood pressure and pulse, especially in patients with cardiac disease or hypertension. Review phentermine use if cardiovascular symptoms develop.
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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