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.
There are two types of mange, demodectic and sarcoptic. Demodectic is usually seen in puppies from mites that spread to the puppy from the mother. Sarcoptic dog mange is from mites that spread from dog to dog or dog to wild animal contact. Mange dog skin sores ooze and crust over along with hair loss and itch. This may occur in one small area or may occur all over the body.