Drug interactions
Lopinavir + Salbutamol
Severity: Moderate
Lopinavir 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
Lopinavir/ritonavir can prolong the QT interval, and salbutamol may add to this through tachycardia and hypokalemia. The risk is greatest with high-dose or nebulized salbutamol and in patients with other risk factors.
What this interaction means in plain words
Lopinavir 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.
Lopinavir belongs to Anti Virals; Salbutamol belongs to Respiratory.
Why it happens
Additive QT prolongation, with beta-agonist-induced hypokalemia.
What to do
Monitor ECG and potassium in patients with other QT risk factors or on high-dose salbutamol.
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 Lopinavir and Salbutamol, 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 Salbutamol
Other interactions of Lopinavir
- Alfuzosin + Lopinavir Contraindicated
- Avanafil + Lopinavir Contraindicated
- Cisapride + Lopinavir Contraindicated
- Dronedarone + Lopinavir Contraindicated
- Eletriptan + Lopinavir Contraindicated
- Eplerenone + Lopinavir Contraindicated
Frequently asked questions
Can I take Lopinavir with Salbutamol?
MediHelp rates the interaction as moderate. Lopinavir 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. Lopinavir/ritonavir can prolong the QT interval, and salbutamol may add to this through tachycardia and hypokalemia. The risk is greatest with high-dose or nebulized salbutamol and in patients with other risk factors.
How serious is the interaction between Lopinavir 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 ECG and potassium in patients with other QT risk factors or on high-dose salbutamol.
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.
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.
