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Updated: Jul 9, 2026

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Published on: May 7, 2011
Hypersensitivity vasculitis induced by cefoperazone/sulbactam
Ismail Islek1, Sancar Baris, Ali O Katranci
1Department of Pediatrics, Ondokuz Mayis University, School of Medicine, Samsun, Turkey. iislek@omu.edu.tr
This case study reports the first instance of hypersensitivity vasculitis linked to cefoperazone/sulbactam. The condition resolved after discontinuing the antibiotic, suggesting a causal relationship.
Area of Science:
- Pharmacology
- Immunology
- Clinical Medicine
Background:
- Cefoperazone/sulbactam is an antibiotic commonly used for bacterial infections.
- Vasculitic complications have not been previously associated with cefoperazone.
- Hypersensitivity vasculitis is an inflammatory condition affecting blood vessels.
Purpose of the Study:
- To report a rare case of hypersensitivity vasculitis.
- To investigate the potential link between cefoperazone/sulbactam and vasculitis.
Main Methods:
- A case presentation of a 13-year-old female patient with appendicitis.
- Administration of cefoperazone/sulbactam for treatment.
- Observation of clinical symptoms and disease progression.
- Discontinuation of cefoperazone/sulbactam and monitoring for resolution.
Main Results:
- The patient developed symptoms of hypersensitivity vasculitis on the fifth day of antibiotic therapy.
- Vasculitis symptoms gradually resolved after cefoperazone/sulbactam was discontinued on the seventh day.
- No recurrence of vasculitis was observed after drug removal.
Conclusions:
- This is the first reported case of hypersensitivity vasculitis associated with cefoperazone/sulbactam.
- The findings suggest a potential causal relationship between cefoperazone/sulbactam and hypersensitivity vasculitis.
- Further investigation may be warranted to understand this adverse drug reaction.
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