Browse disease by medical category

Allergy and immunology

Acute bronchitis: 

Bronchitis is an inflammation of the breathing tubes (airways) that are called bronchi, which causes increased production of mucus and other changes

Allergic rhinitis:

Rhinitis is a reaction that occurs in the nose when airborne irritants (allergens) trigger the release of histamine. Histamine causes inflammation and fluid production in the fragile linings of nasal passages, sinuses, and eyelids.

Allergies:

Allergies are among the most common heath problems, with more than 50 million people afflicted with asthma, seasonal hay fever, or other allergy-related conditions each year.

Asthma:

Asthma is a chronic, inflammatory disease in which the airways become sensitive to allergens (any substance that triggers an allergic reaction)

Asthma and children:

Approximately 6.5 million children have been diagnosed with asthma according to the Centers for Disease Control and Prevention (CDC). Asthma is one of the most common, serious, chronic diseases among children, accounting for 14 million absences from school each year.

Contact dermatitis:

Contact dermatitis is a physiological reaction that occurs after skin comes in contact with certain substances

Dermatitis:

Dermatitis is an inflammation of the skin. Dermatitis actually refers to a number of skin conditions that inflame the skin.

Food Allergies:

A food allergy is an abnormal response of the body to a certain food.

Latex Allergy:

Some children and adults have an allergy or sensitivity to latex (rubber). Reactions can be seen when products made from latex come in contact with the person's skin, mucous membranes (like the mouth, genitals, bladder or rectum), or the bloodstream (during surgery).

Occupational asthma:

Occupational asthma is a type of asthma caused by exposure to inhaled irritants in the workplace. Symptoms may disappear when the irritants that caused the asthma are avoided.

Occupational lung diseases:

Repeated and long-term exposure to certain irritants on the job can lead to an array of lung diseases that may have lasting effects, even after exposure ceases.

Poison Ivy / Poison Oak:

There are three native American plants that collectively may be called poison ivy: poison ivy, poison oak, and poison sumac.

Rhinitis:

Rhinitis is a reaction that occurs in the eyes, nose and throat when airborne irritants (allergens) trigger the release of histamine.

Sinusitis:

Sinusitis is an infection of the sinuses near the nose. These infections usually occur after a cold or after an allergic inflammation.

Urticaria / hives:

Urticaria, or hives, is a condition in which red, itchy, and swollen areas appear on the skin - usually as an allergic reaction from eating certain foods or taking certain medicines.