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Reason for skin allergy?

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General & Family Physician
Practicing since : 2005
Answered : 364 Questions
what is the reason for the skin allargey, after one hour the simtoms gone
Posted Thu, 14 Mar 2013 in Asthma and Allergy
Answered by Dr. Mamun Kabir 3 hours later
Welcome to healthcare magic.
There are many causes of allergy.
Some allergic reaction manifest as skin problem (multiple swelling with various shape & size, increased temperature, itching etc.)
Allergic reaction may also manifest with other way.
There are some mechanisms in our body for manifestations of skin allergy.
Sometimes our body system recognize some substance as allergen(eg-some food, drug etc).
As a result, IgE mediated activation of the mast cell & basophil occurs.
Then they secrete some substances (cytokine,chemokine etc) which play main role in allergic manifestation.
Complement pathway may also be activated.
With the secretion & activation of these substances they causes skin manifestation as multiple swelling,itching,rash,increased temperature.
These are the basic mechanism.
One substance may act as allergen to one but not to all.
It differs from man to man.
The best preventive measure is to avoid the offending agent.
I hope I have been some help of your query.
Please write if you have another query.
Take care.
Above answer was peer-reviewed by
Follow-up: Reason for skin allergy? 39 hours later
thanks for your review sir, and a small query

my body get over heated,at the time itching and my hairs are fall down, how can i prevent this

Answered by Dr. Mamun Kabir 8 hours later
Thank you.

I hope you are well enough.

The best preventive measure of an allergic attack is avoidance of the offending agent.
You must try to figure out the substance which causes your skin allergy.
In case of severe attack antihistamine like Atarax (prescribed by doctor) helps.

Take care.
Above answer was peer-reviewed by
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