2025. To prophylax or not to prophylax? The role of trimethoprim/sulfamethoxazole as a prophylactic agent in systemic vasculitis: the case of antineutrophil cytoplasmic antibody-associated vasculitis and giant cell arteritis. Reumatismo. 77, 2 (Feb. 2025). DOI:https://doi.org/10.4081/reumatismo.2025.1791.