Drug interactions
Albuterol + Efavirenz
Severity: Minor
Albuterol and Efavirenz: minor 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
Efavirenz can prolong the QT interval and high-dose albuterol may cause hypokalemia and QT effects. The combined risk is generally modest with inhaled therapeutic doses.
What this interaction means in plain words
Albuterol and Efavirenz have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Additive QT effects: efavirenz through ion channel effects, albuterol via beta-agonist-related hypokalemia and tachycardia.
What to do
No routine action for usual inhaled doses; check potassium and ECG if high doses, nebulized use or other QT risks are present.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Efavirenz
- Cobimetinib + Efavirenz Contraindicated
- Dienogest / estradiol valerate + Efavirenz Contraindicated
- Dihydroergotamine intranasal + Efavirenz Contraindicated
- Dihydroergotamine + Efavirenz Contraindicated
- Doravirine + Efavirenz Contraindicated
- Efavirenz + Elbasvir / grazoprevir Contraindicated
Frequently asked questions
Can I take Albuterol with Efavirenz?
MediHelp rates the interaction as minor. Albuterol and Efavirenz have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Efavirenz can prolong the QT interval and high-dose albuterol may cause hypokalemia and QT effects. The combined risk is generally modest with inhaled therapeutic doses.
How serious is the interaction between Albuterol and Efavirenz?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine action for usual inhaled doses; check potassium and ECG if high doses, nebulized use or other QT risks are present.
What other medicines interact with Efavirenz?
MediHelp also lists interactions of Efavirenz with, for example, Cobimetinib, Dienogest / estradiol valerate, Dihydroergotamine intranasal. The full list is on the Efavirenz page.
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