Dictionary

allergic rhinitis: An allergic reaction triggered by pollens or indoor allergens; also called hay fever.

allergic shiners: Dark circles under the eyes caused by allergies that affect the sinuses.

allergy blood test: An allergy test that measures levels of allergen-sensitive antibodies in the blood.

allergy shots: A form of immunotherapy, allergy shots expose an allergic person to the problem allergen in small doses.

airborne allergen: An allergen, such as pollen or pet dander, that travels through the air and is inhaled.

allergen: Any substance that causes an allergic reaction; that is, the body recognizes the substance as a foreign invader and responds accordingly, even though the substance is actually harmless.

antibodies: proteins that are made in the blood for the purpose of fighting off foreign substances in the body

antihistamines: Drugs that relieve symptoms caused by histamine, such as itching, runny noses and sneezing.

congestion: In terms of allergies, congestion refers to the uncomfortable buildup of mucous in the sinuses and nasal passages.

Cromolyn sodium: A nasal spray that works to prevent the release of histamine, which causes allergy symptoms such as congestion.

decongestants: Allergy medications used to relieve symptoms of congestion by loosening mucus in the lungs and reducing swelling of the nasal passage.

dust mites: Microscopic insects that live inside the home and feed on shed human skin. Their droppings are one of the most common triggers of indoor hay fever.

eczema: An allergic reaction of the skin characterized by itching and redness.