An allergic reaction occurs when the immune system reacts abnormally to certain stimuli Reactions to allergens vary from child to child
Health Conditions: Allergies
Allergic reactions occur when a person’s immune system comes in contact with an environmental substance that it is hypersensitivity to. A substance that causes a reaction is called an allergen. An allergic reation may cause red eyes, itchiness, and runny nose, eczema, hives, or an asthma attack.
Allergies occur when the immune system reacts abnormally to certain stimuli These stimuli are referred to as allergens