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Psoriatic arthritis and minocycline induced autoantibodies
1Department of Rheumatology, South Cleveland Hospital, Middlesbrough, Cleveland.
Clinical Rheumatology
|May 1, 1997
Abstract:
A case of psoriatic arthritis where diagnosis was originally complicated by the presence of minocycline-induced auto-antibodies and hepatic dysfunction. The range of auto-antibodies associated with minocycline includes ds DNA and SCL 70.
Insights
Minocycline can cause autoimmune reactions, including auto-antibodies and liver issues, complicating psoriatic arthritis diagnosis. This case highlights the importance of considering drug-induced autoimmunity in complex presentations.
Area of Science:
- Rheumatology
- Clinical Immunology
- Pharmacology
Background:
- Psoriatic arthritis is a chronic inflammatory condition.
- Minocycline is an antibiotic sometimes used for inflammatory conditions.
- Drug-induced autoimmunity is a known, albeit uncommon, side effect of certain medications.
Observation:
- A patient presented with symptoms suggestive of psoriatic arthritis.
- Diagnosis was initially challenging due to co-occurring hepatic dysfunction.
- The patient also exhibited minocycline-induced auto-antibodies, including anti-dsDNA and anti-SCL 70.
Findings:
- The presence of minocycline-induced auto-antibodies complicated the diagnostic pathway.
- Hepatic dysfunction further obscured the clinical picture.
- This case underscores the potential for minocycline to trigger autoimmune phenomena.
Implications:
- Clinicians should consider drug-induced autoimmunity when evaluating patients with complex inflammatory conditions.
- Awareness of minocycline's potential to induce auto-antibodies is crucial for accurate diagnosis.
- Further research may elucidate the mechanisms behind minocycline-induced autoimmune responses.