Drug interactions
Ipratropium-salbutamol + Isoflurane
Severity: Moderate
Ipratropium-salbutamol and Isoflurane: 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
Isoflurane can prolong the QT interval, and salbutamol can add to this through beta-agonist-related hypokalemia and increased heart rate. Halogenated anesthetics may also sensitize the myocardium to catecholamines, raising the risk of arrhythmia during anesthesia. The effect of inhaled salbutamol at normal doses is usually small.
What this interaction means in plain words
Ipratropium-salbutamol and Isoflurane 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; Isoflurane belongs to Central Nervous System.
Why it happens
Additive QT prolongation and myocardial sensitization to beta-adrenergic stimulation, with possible salbutamol-induced hypokalemia.
What to do
Use continuous ECG monitoring perioperatively and check potassium and magnesium before anesthesia in patients on regular salbutamol. Correct electrolyte abnormalities and avoid giving extra high-dose beta-agonist around induction unless needed for bronchospasm.
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 Isoflurane, 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 Isoflurane
Frequently asked questions
Can I take Ipratropium-salbutamol with Isoflurane?
MediHelp rates the interaction as moderate. Ipratropium-salbutamol and Isoflurane 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. Isoflurane can prolong the QT interval, and salbutamol can add to this through beta-agonist-related hypokalemia and increased heart rate. Halogenated anesthetics may also sensitize the myocardium to catecholamines, raising the risk of arrhythmia during anesthesia. The effect of inhaled salbutamol at normal doses is usually small.
How serious is the interaction between Ipratropium-salbutamol and Isoflurane?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use continuous ECG monitoring perioperatively and check potassium and magnesium before anesthesia in patients on regular salbutamol. Correct electrolyte abnormalities and avoid giving extra high-dose beta-agonist around induction unless needed for bronchospasm.
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.
