Allergies. An allergic reaction is among the most common causes of itchy hands and feet. It could result from something you eat or touch. The response seen or felt can be characterized as another variant of eczema known as allergic contact dermatitis.
Bullous pemphigoid is an uncommon skin condition that affects dogs, and is characterized by the appearance of fluid or pus filled blisters, and severe open sores on the skin and/or mucus-lined tissue of the mouth.ullous pemphigoid is found in two forms: the common blister (bullous) form and the relatively rare long-term (chronic) form. The bullous form is characterized by open sores, short-term blisters, and circular lesions on the top layer of skin.
Sarcoptic mange, also known as canine scabies, spreads easily among dogs and can also be transmitted to people, but the parasites don't survive on humans. The symptoms are intense itching, red skin, sores, and hair loss. A dog's ears, face and legs are most commonly affected.