All types of allergic manifestation can be completely cured by a proper constitutional homeopathic treatment. Our immune system helps protect us. It does this by sending in special cells, that attack whenever viruses, bacteria, or other harmful substances invade our body. This response helps neutralize the foreign invaders. But many things enter our body that the immune system usually views as harmless. This can include things like pet hair; dust mites; and tree, weed, or grass pollen. In a person with allergies, the immune system mistakes these harmless substances, known as allergens, for a potential threat and starts to react it in an altered way and as result different allergic symptoms like sneezing, runny nose, asthmatic symptoms, skin rashes develops. One allergic person is more hypersensitive towards certain allergens while the healthy person is not. One allergic person has the excessive susceptibility to wards some particular allergens which are harmful for that person whereas harmless to the healthy one. A proper homeopathy treatment helps to change that hypersensitivity of the person. It helps to modify the hyper susceptibilities of the person. When the hypersensitivity or the hyper susceptibilities of the person is modified he will not then react adversely to the harmless allergens which he was reacting earlier. This can only be possible by a proper constitutional homeopathy treatment by taking the totality of symptoms.