ABSTRACT As scleritis may represent the initial manifestation of systemic vasculitis, recognizing drug-related etiologies iscrucial — particularly propylthiouracil (PTU). This medication is widely used to treat Graves disease and can trigger antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV). This study aims to describe the clinical course and diagnostic reasoning of a case of nodular scleritis associated with PTU-induced leukocytoclastic vasculitis (LCV), emphasizing the importance of early identification. This case report is based on medical record review, ophthalmological examination, skin biopsy, and […]