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Lipoid pneumonia: a preventable form of drug-induced lung injury

E Meltzer1, L Guranda, M Perelman

  • 1Department of Internal Medicine C, Sheba Medical Center, Tel Hashomer, Israel. emeltzer@post.tau.ac.il

European Journal of Internal Medicine
|November 30, 2005
PubMed

Insights

Recurrent pneumonia was diagnosed as lipoid pneumonia in an elderly patient. Stopping the paraffin oil laxative improved symptoms, suggesting this common laxative may cause lung disease.

Area of Science:

  • Pulmonary Medicine
  • Toxicology

Background:

  • Lipoid pneumonia is a lung reaction to lipids, often underdiagnosed.
  • Paraffin oil laxatives are a common cause but their risks are not well-known.

Purpose of the Study:

  • To report a case of lipoid pneumonia caused by paraffin oil laxative.
  • To highlight the underdiagnosis and underreporting of lipoid pneumonia.
  • To suggest regulatory changes for paraffin oil products.

Main Methods:

  • Case report of an elderly patient with recurrent pneumonia.
  • Clinical assessment and diagnosis of lipoid pneumonia.
  • Monitoring patient's response to discontinuation of paraffin oil laxative.

Main Results:

  • The patient's recurrent pneumonia was diagnosed as lipoid pneumonia.
  • Discontinuation of the paraffin oil laxative resulted in clinical improvement.
  • Paraffin oil was identified as the likely causative agent.

Conclusions:

  • Paraffin oil laxatives can cause lipoid pneumonia.
  • Increased awareness and regulatory changes for paraffin oil are needed.
  • Lipoid pneumonia may be more common than currently recognized.

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