Drug interactions
Albuterol + Pimozide
Severity: Major
Albuterol and Pimozide: major 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
Albuterol can cause hypokalemia and tachycardia and has been associated with QT prolongation, particularly at high or nebulized doses. With pimozide, this may increase the risk of torsades de pointes.
What this interaction means in plain words
Albuterol and Pimozide can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Additive QT prolongation, with beta-2 agonist-induced hypokalemia and sympathetic stimulation increasing arrhythmia susceptibility.
What to do
Use the lowest effective albuterol dose and monitor potassium and ECG in patients needing regular use. Consider an alternative to pimozide if frequent high-dose beta-agonist therapy is required.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Pimozide
- Adagrasib + Pimozide Contraindicated
- Amiodarone + Pimozide Contraindicated
- Amisulpride + Pimozide Contraindicated
- Amitriptyline + Pimozide Contraindicated
- Amoxapine + Pimozide Contraindicated
- Anagrelide + Pimozide Contraindicated
Frequently asked questions
Can I take Albuterol with Pimozide?
MediHelp rates the interaction as major. Albuterol and Pimozide can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Albuterol can cause hypokalemia and tachycardia and has been associated with QT prolongation, particularly at high or nebulized doses. With pimozide, this may increase the risk of torsades de pointes.
How serious is the interaction between Albuterol and Pimozide?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the lowest effective albuterol dose and monitor potassium and ECG in patients needing regular use. Consider an alternative to pimozide if frequent high-dose beta-agonist therapy is required.
What other medicines interact with Pimozide?
MediHelp also lists interactions of Pimozide with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Pimozide page.
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