This is a very old treatment, and there could be a better way to do this just to build resilience system. If do not know what it is allergic to so the doctor can make the skin tests by setting light to you the criteria, and then inject a small the amount of allergen. They may also contain traces of nuts , wheat, soy and fish, all of which are common, and some allergens such as nuts can be very dangerous. If the branch is expected to feel like an allergy, which will help to create a work plan to help keep allergies control.