The Drug-Induced Respiratory Disease Website

Hypochlorous acid - Bleach

Chemical (toxic) pneumonitis

Patterson J, Vallance V

Severe chemical pneumonitis following exposure to household bleach.

BMJ case reports 2025 Mar 27;18; — 2025 Mar 27

Diagnosing DIRD

Drug and radiation history

Drug singularity - Correct identification of the drug

Consistent timing of exposure v. onset of symptoms

Clinical, imaging, BAL, pathological pattern consistent with the specific drug

Careful exlusion of another cause

Remission of symptoms with removal of drug

Recurrence with rechallenge (rarely advisable)

Causality assessment

LATEST CHANGELOG

No activity has been recorded yet.