Hives are raised, often itchy, red welts on the surface of the skin. They are usually an allergic reaction to food or medicine.
Urticaria
When you have an allergic reaction to a substance, your body releases histamine and other chemicals into your bloodstream. This causes itching, swelling, and other symptoms. Hives are a common reaction, especially in people with other allergies such as hay fever.
When swelling or welts occur around...
Read morePeople often ask questions here about itching in the throat, mouth and nose. While it's true that this type of itching is frequently... Read more »
In this post, I will talk about the various types of pollen allergy and how to manage them. Pollen allergy is probably the most common... Read more »
As the Ides of March approaches how will you prepare for the oncoming pollen season? What does pollen have to do with the Ides of March?... Read more »
Spring can be a difficult time for asthmatics, especially those of us with outdoor allergies. When the trees start pollinating, you can... Read more »
In this entry, I would like to address some issues that are relevant to the pollen season of warmer months that is upon us in most parts of... Read more »
The beginning of summer kicks off the camping and hiking season, anxiously awaited by those who have endured a long cold winter. This year will... Read more »
German scientists say that taking a grass pollen tablet may alleviate hay fever and asthma in children as well as allergy shots. Researchers studied... Read more »
A Swiss study has found that allergy shots given directly into the lymph nodes is a faster, easier, and more effective way of treating grass pollen... Read more »
This is a study to determine the safety and effectiveness of a vaccine to prevent grass-pollen seasonal allergies. This national study is currently... Read more »
Source: ADAM Encyclopedia
An allergy is an exaggerated immune response or reaction to substances that are generally not harmful.See also:Allergic conjunctivitisAllergic... Read more »