A Rare Case of Fatal Toxic Epidermal Necrolysis (TEN) and Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS) Syndrome in a Patient with Rheumatoid Arthritis.

Introduction: This case study presents a rare and fatal instance of Toxic Epidermal Necrolysis (TEN) and Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS) syndrome in a 51-year-old male patient diagnosed with Rheumatoid Arthritis (RA).

Case Presentation: The patient was initially treated with sulfasalazine, leflunomide, and hydroxychloroquine, following which he developed a rash, fever, and loose stools. Drug allergy was suspected, and the antirheumatic medications were withdrawn, following which, the patient improved.