👉 Biddulphiella is a bacterium that can cause a disease called biddulphiliasis, which primarily affects dogs and cats. It is characterized by inflammation of the skin, particularly in the area around the eyes and lips. Symptoms include itching, scaling of the skin, and sometimes pus or blood from the skin. Treatment involves applying topical antibiotics like salicylic acid or benzoyl peroxide to alleviate symptoms.