Can Dog Allergies Cause Hair Loss In Humans?

Can Dog Allergies Cause Hair Loss In Humans? “Alopecia” means hair loss, and humans can suffer from various forms of alopecia. For alopecia on dogs, this generally occurs as the result of an infection, parasites, allergies, or mites. Mange and ringworm are the most common causes for dog alopecia. Can seasonal allergies affect the scalp?