Discoid Lupus in Dogs: Nose Depigmentation and Sun Care
Learn how discoid lupus changes a dog's nose, how it differs from snow nose, why a biopsy is needed, how sunlight plays a role, and practical sun care habits.
Pemphigus Foliaceus in Dogs and Cats: Skin Autoimmunity
Crusts on the nose, ears, and paw pads can signal pemphigus foliaceus, an immune-mediated skin disease. How it is diagnosed and what long-term care involves.
