What is an allergy skin exam?
An allergy is an overreaction, also acknowledged as a hypersensitivity, of the body’s immune system. Usually, your immune system is effective to fight off overseas substances like viruses and germs. When you have an allergy, your immune system treats a harmless compound, like dust or pollen, as a risk. To fight this perceived risk, your immune system reacts and triggers an allergic reaction. Symptoms of an allergic reaction can selection from sneezing and a stuffy nose to a life-threatening affliction acknowledged as anaphylactic shock.
There are four most important types of overreactions, acknowledged as Style 1 by means of Style IV hypersensitivities. Style 1 hypersensitivity triggers some of the most widespread allergy symptoms. These contain dust mites, pollens, foodstuff, and animal dander. Other types of hypersensitivities induce distinct immune system overreactions. These selection from gentle skin rashes to critical autoimmune issues.
An allergy skin exam ordinarily checks for allergy symptoms induced by Style 1 hypersensitivity. The exam seems for reactions to specific allergens that are placed on the skin.
Other names: sort 1 hypersensitivity skin exam, hypersensitivity exam allergy scratch exam, allergy patch exam, intradermal exam