Drug interactions
Ipratropium-salbutamol + Phentermine
Severity: Moderate
Ipratropium-salbutamol and Phentermine: 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
Salbutamol and phentermine are both sympathomimetic agents. Used together they may produce additive increases in heart rate and blood pressure, along with tremor, palpitations and nervousness.
What this interaction means in plain words
Ipratropium-salbutamol and Phentermine 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.
Ipratropium-salbutamol belongs to Respiratory; Phentermine belongs to Central Nervous System.
Why it happens
Additive adrenergic stimulation from beta-2 agonism and indirect norepinephrine release.
What to do
Monitor heart rate and blood pressure, especially in patients with cardiovascular disease. Reduce the bronchodilator dose or stop phentermine if palpitations or hypertension 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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Ipratropium-salbutamol and Phentermine, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Ipratropium-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 Ipratropium-salbutamol with Phentermine?
MediHelp rates the interaction as moderate. Ipratropium-salbutamol and Phentermine 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. Salbutamol and phentermine are both sympathomimetic agents. Used together they may produce additive increases in heart rate and blood pressure, along with tremor, palpitations and nervousness.
How serious is the interaction between Ipratropium-salbutamol and Phentermine?
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 cardiovascular disease. Reduce the bronchodilator dose or stop phentermine if palpitations or hypertension develop.
What other medicines interact with Ipratropium-salbutamol?
MediHelp also lists interactions of Ipratropium-salbutamol with, for example, Amisulpride, Arsenic trioxide, Carvedilol. The full list is on the Ipratropium-salbutamol page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.