Martínez Jiménez Hiebda Sofía
Internal Medicine, Centro Médico Nacional Siglo XXI, Mexico City, MEX.
Cureus. 2025 Jun 19;17(6):e86372. doi: 10.7759/cureus.86372. eCollection 2025 Jun.
Fixed drug eruption (FDE) is a type of toxicodermatitis induced by a delayed hypersensitivity reaction (type IV) characterized by the reappearance of erythematous-violaceous plaques at the same site upon reexposure to the triggering agent. We present the case of a 72-year-old female who developed a generalized FDE following the administration of levofloxacin. Diagnosis was established clinically and supported by the Naranjo algorithm. The condition improved upon drug discontinuation. This case highlights the importance of recognizing less common presentations, such as generalized FDE, and the need for continued awareness among healthcare providers, especially given the frequent use of antibiotics like levofloxacin.
固定性药疹(FDE)是一种由迟发型超敏反应(IV型)引起的中毒性皮肤病,其特征是再次接触诱发剂时,相同部位会再次出现红斑-紫斑。我们报告一例72岁女性在服用左氧氟沙星后发生全身性固定性药疹的病例。临床诊断成立,并得到了纳兰霍算法的支持。停药后病情有所改善。该病例强调了识别如全身性固定性药疹等不常见表现的重要性,以及医疗服务提供者持续保持警惕的必要性,尤其是考虑到左氧氟沙星等抗生素的频繁使用。