Irritated skin can indicate a skin allergy, during which the immune system reacts to something usually harmless. This is called an allergic reaction. An allergic reaction can cause rash, itching,…
Allergy is a hypersensitivity disorder of the immune system. Generally, the immune system of people with allergies react to harmless foreign substances in the environment like pollens, molds, dust mites, foods, animal dander, and some medication. These substances are known as allergens. Reports mentions allergies as among the most common problems in the United States. One out of 10 Americans suffer from common allergies.