Allergies are inappropriate or exaggerated reactions of the immune system to substances that, in the majority of people, cause no symptoms. Symptoms of the allergic diseases may be caused by exposure of the skin to a chemical, of the respiratory system to particles of dust or pollen (or other substances), or of the stomach and intestines to a particular food.
Allergy and Immunology Glossary
An understanding of the vocabulary used by allergists and health care professionals can help you better comprehend information and treatment options to find the relief you need. Here are definitions of some of the words frequently encountered in literature on allergy and asthma.