1. Health

Allergies and Related Topics

Histocompatibility antigens
This is a blood test that determines a person's major histocompatibility antigens.
Histiocyte
Histiocyte
Allergen
An allergen is a substance that can cause an allergic reaction. Allergens are substances that, in some people, the immune system recognizes as "foreign" or "dangerous" but cause no response for most people.
Antigen
An antigen is any substance that causes your immune system to produce against it. The antigen may be a foreign substance from the environment (such as chemicals, bacteria, viruses, or pollen) or formed within the body (such as bacterial or tissue cells).
Antibody
Antibody
Asthma and allergy - resources
Asthma and allergy - resources
Allergies and genetics
Allergies and genetics
Allergic conjunctivitis
Allergic conjunctivitis
Allergic vasculitis
Allergic vasculitis is hypersensitivity to a drug or foreign agent that leads to inflammation and damage to blood vessels of the skin.
Contact dermatitis
Contact dermatitis is an inflammation of the skin caused by direct contact with an irritating substance.
Angioedema
Angioedema is the development of large welts below the surface of the skin, especially around the eyes and lips. The welts may also affect the hands, feet, and throat. The condition can be associated with and histamine release.
Anaphylaxis
Anaphylaxis is a life-threatening type of .
Immune response
The immune response is the way the body recognizes and defends itself against microorganisms, viruses, and substances recognized as foreign and potentially harmful to the body.
Drug allergies
Drug allergies are a group of symptoms caused by allergic reaction to a drug (medication).
Food allergy
A food allergy is an exaggerated immune response triggered by eggs, peanuts, milk, or some other specific food.
Autoimmune disorders
Disorders caused by an against the body's own tissues.
Allergy to mold - dander - dust
Allergy to mold - dander - dust
Allergic rhinitis
Allergic rhinitis
Allergies
Allergies
Sinusitis - chronic
Chronic sinusitis is a prolonged or recurrent infection and/or inflammation of the sinuses of the head.
Sinusitis
Sinusitis
Pulmonary aspergillosis - allergic bronchopulmonary type
Pulmonary aspergillosis is an allergic reaction to a fungus called aspergillus, which causes inflammation of the airways and air sacs of the lungs.
Histiocytosis
Histiocytosis
Allergic reactions
Allergic reactions are sensitivities to a specific substance, called an , that is contacted through the skin, inhaled into the lungs, swallowed, or injected.

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