 Go with your gut. Your dog's immune system is based in the gut. A diet lacking in nutrients can cause itching, scratching, and a weak immune system. However, there is a solution. D-I-N-O-V-I-T-E. Dynovite. It took a grand total of two weeks. The dog stopped itching. The hair stopped falling out. Try Dynovite for free. Just pay shipping and handling. Learn more at dynovite.com slash radio.