Skip to content

Drug interactions

Ipratropium-salbutamol + Loperamide

Severity: Moderate

Ipratropium-salbutamol and Loperamide: 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

Loperamide at high doses can cause QT prolongation and serious ventricular arrhythmias, and salbutamol may add risk through hypokalemia and tachycardia. At standard loperamide doses the risk is low, but misuse or overdose raises concern.

What this interaction means in plain words

Ipratropium-salbutamol and Loperamide 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; Loperamide belongs to Gastrointestinal Tract.

Evidence level: Low

Why it happens

Additive QT prolongation, with beta-2 agonist-related hypokalemia.

What to do

Keep loperamide at labeled doses and avoid high-dose use. Check potassium and obtain an ECG if palpitations, syncope or high doses are involved.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Ipratropium-salbutamol and Loperamide, 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.

Frequently asked questions

Can I take Ipratropium-salbutamol with Loperamide?

MediHelp rates the interaction as moderate. Ipratropium-salbutamol and Loperamide 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. Loperamide at high doses can cause QT prolongation and serious ventricular arrhythmias, and salbutamol may add risk through hypokalemia and tachycardia. At standard loperamide doses the risk is low, but misuse or overdose raises concern.

How serious is the interaction between Ipratropium-salbutamol and Loperamide?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Keep loperamide at labeled doses and avoid high-dose use. Check potassium and obtain an ECG if palpitations, syncope or high doses are involved.

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.

Browse A–Z · Drug interactions

Get the app Sign in