Susceptibility to Skin Allergies If left unattended, skin allergies can wreak havoc on your dog’s skin; persistent itching can lead to hot spots or damage to the skin due to excessive rubbing, scratching, and biting. In severe cases, bacterial and yeast infections may develop.Click to see full answer. In this way, what diseases are Australian Shepherds prone to?The most common AI diseases in Aussies are in order of frequency: Autoimmune thyroiditis (hypothyroidism), Inflammatory Bowel Disease, lupus, and pemphigus.Subsequently, question is, can I give my Australian Shepherd Benadryl? The general dosage guideline for dogs is 1mg of Benadryl for every one pound of body weight. Benadryl can be given to your dog every eight to twelve hours, so about two to three times per day. Hereof, do Australian Shepherds shed? If you’re wondering whether the Australian Shepherd sheds, the answer is yes. The breed sheds year-round, but more heavily during spring as he loses his winter coat. Brush the Aussie’s coat weekly, perhaps more often during shedding season, to prevent matting.Why is my Australian Shepherd Losing hair?Aussies are prone to a common condition called hypothyroidism in which the body doesn’t make enough thyroid hormone. Signs can include dry skin and coat, hair loss, susceptibility to other skin diseases, weight gain, fearfulness, aggression, or other behavioral changes.