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Related Experiment Videos

[Methotrexate pneumonitis].

K Zingg1, M Grossenbacher, D Conen

  • 1Medizinische Klinik, Kantonsspital Aarau.

Praxis
|May 11, 1999
PubMed
Summary
This summary is machine-generated.

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Methotrexate-induced pneumonitis can cause acute respiratory distress in rheumatoid arthritis patients. Early diagnosis and glucocorticoid treatment rapidly resolve lung inflammation and symptoms.

Area of Science:

  • Rheumatology
  • Pulmonology
  • Clinical Pharmacology

Background:

  • Rheumatoid arthritis (RA) is a chronic autoimmune disease.
  • Methotrexate is a common disease-modifying antirheumatic drug (DMARD) used for RA.
  • Pulmonary complications can occur in RA patients.

Observation:

  • A 72-year-old female RA patient on methotrexate developed acute dyspnea (NYHA III).
  • Chest X-ray showed diffuse interstitial pneumopathy.
  • Infectious causes were ruled out, and RA-related lung disease is typically chronic.

Findings:

  • Methotrexate-induced pneumonitis was the most likely diagnosis.
  • Discontinuation of methotrexate and initiation of glucocorticoid therapy were performed.
  • Rapid clinical improvement and complete radiological resolution were observed.

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Implications:

  • This case highlights the potential for acute methotrexate-induced pneumonitis.
  • Prompt diagnosis and treatment with glucocorticoids are crucial for favorable outcomes.
  • Clinicians should consider drug-induced lung disease in RA patients presenting with acute respiratory symptoms.