The disease Canine dermatitis most commonly we can see in dogs that effects to the skin area. That term also called as atopic dermatitis, usually people with these symptoms of nasal problems are having this disease condition and hive dogs, and they can react with gastrointestinal problems. The problem where the more number of mast cells that are releasing the histamines those are the skin sensitization chemicals that will release to the body, these problem may start from the texture and hair to the itching, chewing, spots on the skin, gastric problems.