Draman, Samsul and Abd Rahman, Mohd Aizuddin and Wan Solahuddin, Wan Nurul Dhabitah and Hasnol Aidi, Aminuddin (2026) Acute localised exanthematous pustulosis induced by ceftriaxone: a case report on diagnostic challenges and treatment pitfalls. In: 10th International Virtual Medical Research Symposium 2026, 2026, Online.
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Abstract
Acute localised exanthematous pustulosis (ALEP) is a rare variant of acute generalised exanthematous pustulosis (AGEP), characterised by the eruption of non-follicular, sterile pustules on an erythematous base following drug exposure. It is a benign drug reaction that manifests shortly after drug initiation and typically resolves within five to seven days after withdrawal of the offending agent. ALEP is frequently under recognised and may be mistaken for infectious pustular dermatoses. We report a case of a 20-year-old woman who developed multiple pruritic, painless pustular lesions over the chin and upper chest three days after starting intravenous ceftriaxone, which had been administered intraoperatively for a left hemilaminotomy and partial discectomy at L4/L5 and L5/S1. The lesions appeared on postoperative day two, without associated fever, and laboratory investigations revealed leukocytosis. A pustule swab grew Staphylococcus epidermidis, likely representing skin flora. She was initially diagnosed with folliculitis and treated with fucidic acid cream and oral Augmentin for five days, with apparent improvement at follow-up. A subsequent dermatology review noted complete resolution after ceftriaxone cessation. The absence of follicular involvement and rapid self-limited course, supported a diagnosis of ceftriaxone-induced ALEP despite the absence of histopathological confirmation. This case highlights the diagnostic challenges of distinguishing ALEP from postoperative infectious pustular eruptions, which may lead to unnecessary antibiotic use. Although rare, ceftriaxone-associated ALEP should be considered when acute pustular rashes occur shortly after drug initiation. Increased awareness among primary care and surgical clinicians is essential for appropriate recognition and management.
| Item Type: | Proceeding Paper (Poster) |
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| Additional Information: | 5011/127755 |
| Uncontrolled Keywords: | Adverse drug reaction; ceftriaxone; drug eruption; pustulosis |
| Subjects: | R Medicine > R Medicine (General) R Medicine > RC Internal medicine > RC66 Clinical cases R Medicine > RL Dermatology |
| Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): | Kulliyyah of Medicine Kulliyyah of Medicine > Department of Family Medicine (Effective: 1st January 2011) Kulliyyah of Medicine > Department of Internal Medicine Sultan Ahmad Shah Medical Centre (SASMEC) |
| Depositing User: | DR MOHD AIZUDDIN ABD RAHMAN |
| Date Deposited: | 05 Mar 2026 11:35 |
| Last Modified: | 05 Mar 2026 13:08 |
| Queue Number: | 2026-03-Q2424 |
| URI: | http://irep.iium.edu.my/id/eprint/127755 |
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