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Related Experiment Videos

Current Perspectives on Severe Drug Eruption.

Jingzhan Zhang1,2, Zixian Lei1,2, Chen Xu1,2

  • 1Department of Dermatology, People's Hospital of Xinjiang Uygur Autonomous Region, Tianshan District, No. 91, Tianchi Road, Urumqi, 830001, Xinjiang, China.

Clinical Reviews in Allergy & Immunology
|July 17, 2021
PubMed
Summary

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Severe drug eruptions (SCARs) are rare but life-threatening skin reactions. Early identification and multidisciplinary management, including drug withdrawal and specific treatments, are crucial for survival.

Area of Science:

  • Dermatology
  • Pharmacology
  • Immunology

Background:

  • Severe cutaneous adverse drug reactions (SCARs) are rare but potentially fatal skin reactions.
  • SCARs include Stevens-Johnson syndrome (SJS), toxic epidermal necrolysis (TEN), acute generalized exanthematous pustulosis (AGEP), and DRESS.
  • Approximately 2% of hospitalized patients experience SCARs, with mortality rates up to 50%.

Purpose of the Study:

  • To review the clinical characteristics, risk factors, pathogenesis, and treatment strategies for SCARs.
  • To guide clinical management of severe drug eruptions.
  • To highlight the importance of early identification and multidisciplinary care.

Main Methods:

  • Literature review of clinical characteristics, risk factors, pathogenesis, and treatment of SCARs.
Keywords:
Acute generalized exanthematous pustulosisDrug reaction with eosinophilia and systemic symptomsSevere drug eruptionStevens-Johnson syndromeToxic epidermal necrolysis

Related Experiment Videos

  • Summary of current management strategies, including drug withdrawal, supportive care, and immunomodulatory therapies.
  • Discussion of emerging treatments and ongoing research.

    • Main Results:

    • SCARs are characterized by genetic predispositions (HLA- and non-HLA-genes) and T cell-mediated cytotoxicity.
    • Immediate drug withdrawal and supportive care are paramount.
    • Treatments include immunoglobulins, corticosteroids, cyclosporine A, biologics, and plasma exchange.

    Conclusions:

    • SCARs are medical emergencies requiring prompt multidisciplinary management.
    • Optimal timing and dosage of treatments, especially novel biologics, require further research.
    • Effective management strategies are critical to reduce SCARs mortality.