other causes

Last reviewed 01/2018

Other causes of pneumonia include:

  • allergic:
    • Stevens-Johnson syndrome, after erythema multiforme
    • collagen-vascular disease, for example polyarteritis nodosa
  • chemical agents:
    • irritant liquids, e.g. vomitus
    • irritant gases, e.g. ammonia, sulphur dioxide, oxides of nitrogen
  • physical causes, e.g. irradiation