Texas Allergy Experts
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HIVES (Urticaria) and Swelling (Angioedema)

Background

 

If normal body chemicals (mostly HISTAMINE) 

are released superficially in the skin, there is 

itching and hives which look like insect bites 

at first..   The location of the hives is usually 

not helpful in the diagnosis unless it is 

beneath a pressure area like a beltline or 

sock line.  If the histamine is released in 

deeper tissue, it usually burns more than 

itches and affects loose tissue such as the 

lips and eyelids. Called angioedemia, it is the 

same basic process as the more typical hives.

  First time urticaria usually lasts less than 4-6

 weeks.   It may affect 15-20% of the general 

population with the woman 35-60  being more

 common in the recurrent form.  

 

Why it happens

Think of histamine release in much the same 

way as you would the common symptom of

 “fever”.   Fever is not a disease, but rather a 

symptom or a “signal” of high immune activity.  

Releasing histamine is the immune system’s 

way of attracting your attention 


WE NO LONGER SEE URTICARIA, AND PREFER YOU TO CONSULT THE SKIN DOCTORS- DERMATOLOGISTS.    

 

 

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