News tagged with allergy

Related topics: children · infectious diseases · immune system · vaccine · asthma

Artificial scents have no place in hospitals

Artificial scents such as perfumes and after-shave have no place in our hospitals because they can aggravate asthma and other allergies, argues an editorial in CMAJ (Canadian Medical Association Journal)

Oct 05, 2015
popularity6 comments 0

A possible cure for allergies

Researchers discovered a mechanism that stops the body reacting with an excessive immune reaction. This could be the basis for a new treatment.

Sep 08, 2015
popularity36 comments 0

Susceptibility to allergies can be reduced

Susceptibility to allergies reduced by increased production of regulatory T cells. This is the main finding of a current study being conducted at the Institute of Immunology at MedUni Vienna, headed up by Winfried F. Pickl. ...

Sep 03, 2015
popularity38 comments 0


Allergy is a disorder of the immune system often also referred to as atopy. Allergic reactions occur to normally harmless environmental substances known as allergens; these reactions are acquired, predictable, and rapid. Strictly, allergy is one of four forms of hypersensitivity and is called type I (or immediate) hypersensitivity. It is characterized by excessive activation of certain white blood cells called mast cells and basophils by a type of antibody known as IgE, resulting in an extreme inflammatory response. Common allergic reactions include eczema, hives, hay fever, asthma, food allergies, and reactions to the venom of stinging insects such as wasps and bees.

Mild allergies like hay fever are highly prevalent in the human population and cause symptoms such as allergic conjunctivitis, itchiness, and runny nose. Allergies can play a major role in conditions such as asthma. In some people, severe allergies to environmental or dietary allergens or to medication may result in life-threatening anaphylactic reactions and potentially death.

A variety of tests now exist to diagnose allergic conditions; these include testing the skin for responses to known allergens or analyzing the blood for the presence and levels of allergen-specific IgE. Treatments for allergies include allergen avoidance, use of anti-histamines, steroids or other oral medications, immunotherapy to desensitize the response to allergen, and targeted therapy.

This text uses material from Wikipedia, licensed under CC BY-SA

Subscribe to rss feed