My Dog Suddenly Started Shedding. If your dog seems to be shedding excessively, there might be several causes. But excess shedding can be a sign of disease or illness that requires veterinary care.

For most female dogs i know the shedding correlates with their cycle and not necessarily with the seasons. Hormone problems, parasites, fungal infections, and other causes of skin inflammation can also contribute to hair loss. When the lint roller has become your new best friend) can be normal, depending on your dog’s breed, the weather, and a number of other factors.