My Dog Smells Bad And Is Losing Hair. The other dog has no symptoms. A quick chat with your local vet you will quickly learn that if your dog smells bad and is losing hair, it can mean that he is under attack due to the dog’skin is not aging well.

Dogs can also contract ringworm, a fungus that causes hair loss and small areas of infection (no, it's not actually a worm). Canine skin crust or scabs. A dull and dry looking coat with a serious hair loss.