In a remarkable leap forward for veterinary science, a case study from the Federal University of Santa Catarina, Brazil, alongside the Cannabis Development and Innovation Center, unveils a promising new horizon for treating canine autoimmune diseases. Discoid lupus erythematosus (DLE), a stubborn skin affliction in dogs, met its match with cannabinoid therapy (CT), charting a course for what could be a groundbreaking alternative to conventional treatments.