Cause. Risk factors for allergy can be placed in two general categories,
namely host and environmental factors. Host factors include ...
Will your allergies stick around for the rest of your life, or might they get better or
even stop? WebMD explains.
Learn all about allergies and what causes allergy. Learn how allergens can
cause sneezing, itchy watery eyes and a runny nose. Also find out about ...
When you're exposed to the allergen again, these antibodies can release a
number of immune system chemicals, such as histamine, that cause allergy ...
Allergy symptoms vary with different allergens (pollen, dust mites, molds, ... The
release of histamine can cause a variety of symptoms, including a skin rash, ...
What Causes Allergies to Occur? The exact causes of allergy symptoms are still
being investigated. However, it is known that these are due to immune system ...
Coming in contact with poison ivy, poison oak and poison sumac can also cause
allergic contact dermatitis. The red, itchy rash is caused by an oily coating ...
Rashes can be caused by many things, including plants (poison ivy, for example)
, allergic reactions to a medication or a food, or an illness (measles or ...
Feb 18, 2015 ... Itchy eyes, a congested nose, sneezing, wheezing and hives: these are
symptoms of an allergic reaction to the environment caused when ...
What Causes an Allergic Reaction? Advertisement. Causes Icon. Doctors don't
know why some people experience allergies. Allergies ...