+22 Dog Losing Hair On Belly Ideas. Ringworm causes hair loss in one small area or multiple areas. Web october 30, 2019 by pippa elliot dvm leave a comment some causes of a dog losing hair include allergies, parasites, hereditary factors, or disease.

Ranging from skin irritation to actual fur loss, allergies are a common cause of changes in a dog’s coat health. Change of season parasites like ticks and mites skin fungus stress food allergies environmental allergies hormones poor nutrition medical conditions and genetics Web why is my dog losing hair?