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Azathioprine hypersensitivity presenting as septic shock with encephalopathy
Antonia James1, Jelena Blagojevic, Stuart W Benham
1Oxford University Hospitals Trust, Oxford, UK.
BMJ Case Reports
|March 21, 2013
Summary
Azathioprine hypersensitivity can mimic septic shock with encephalopathy. Prompt recognition of drug timelines is crucial to avoid unnecessary treatments and excessive antimicrobial use.
Area of Science:
- Immunology
- Pharmacology
- Neurology
Background:
- Azathioprine is an immunosuppressive drug commonly used in autoimmune diseases.
- Hypersensitivity reactions to azathioprine can be severe and life-threatening.
- Septic shock and encephalopathy are critical conditions requiring prompt diagnosis and management.
Observation:
- A patient presented with rapid onset of fever, hypotension, confusion, and declining consciousness.
- Extensive investigations and broad-spectrum antimicrobial treatments were initiated.
- All microbial cultures remained negative, and the patient showed spontaneous recovery.
Findings:
- The clinical presentation was consistent with azathioprine hypersensitivity.
- A detailed drug history, including the timeline of azathioprine initiation, was key to diagnosis.
- The patient recovered within 7 days after discontinuation of azathioprine.
Implications:
- Healthcare providers should consider azathioprine hypersensitivity in patients presenting with sepsis-like symptoms.
- A thorough medication history, focusing on drug initiation timelines, is essential for accurate diagnosis.
- Early identification of drug hypersensitivity can prevent unnecessary invasive procedures and reduce antimicrobial resistance.
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