Not every person's body metabolism is same, and the person who might be allergic to one substance might not be allergic to the other. An allergy test is one of the reliable ways of determining the way a person reacts to certain allergens and the symptoms. Also with an allergy test treatment, the general physician would have a greater chance to treat it in the correct way. Both skin tests and blood tests are done to determine this - however, skin tests are mostly preferred as they are relatively cheap and very accurate. There are three types of skin tests: Skin prick test - A drop of solution containing the possible allergen is put on the surface of the skin. If there is a reaction, then the conditions are noted, and potential treatments are carried out. Intradermal test - Similar to the skin prick test but instead of placing on the skin the agent is directly injected into the skin in minuscule quantities. The results are once again analyzed over a period, and the medications /restrictions are suggested. Skin patch test - As the name indicates, a patch of the allergen solution is placed on a pad and is then stuck to the skin for a period of time. The reactions are once again noted. This is a common type of test to determine if a person has a condition of contact dermatitis. All the above allergy tests are done only in a controlled environment like a lab, and the results are analyzed, and the medical practitioner determines future course of action.
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