Drug interactions
Budesonide-formoterol + Phenylephrine
Severity: Moderate
Budesonide-formoterol 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 that raises blood pressure, and formoterol can increase heart rate and cause palpitations. Combined use may produce additive cardiovascular stimulation, which matters most in patients with hypertension or arrhythmia.
What this interaction means in plain words
Budesonide-formoterol 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.
Budesonide-formoterol belongs to Respiratory; Phenylephrine belongs to Respiratory.
Why it happens
Additive sympathomimetic effects on the cardiovascular system.
What to do
Monitor blood pressure and heart rate, especially with systemic phenylephrine. Avoid oral decongestants in patients with uncontrolled hypertension or arrhythmia.
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 Budesonide-formoterol and Phenylephrine, 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 Budesonide-formoterol
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 Budesonide-formoterol with Phenylephrine?
MediHelp rates the interaction as moderate. Budesonide-formoterol 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 that raises blood pressure, and formoterol can increase heart rate and cause palpitations. Combined use may produce additive cardiovascular stimulation, which matters most in patients with hypertension or arrhythmia.
How serious is the interaction between Budesonide-formoterol 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, especially with systemic phenylephrine. Avoid oral decongestants in patients with uncontrolled hypertension or arrhythmia.
What other medicines interact with Budesonide-formoterol?
MediHelp also lists interactions of Budesonide-formoterol with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Budesonide-formoterol 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.
