This is an online survey to understand  the causes and effects of Chronic urticaria , Dermographism , Acute urticaria and its various other types.
Urticaria  commonly called as hives ,is  a skin condition  in which there is a  sudden redness, itching ,bumps, swelling followed by inflammation triggered by certain substance, factors and things.
This Survey is to study what are those substance , factors and  things that cause the start of the reaction .
This online survey is a part of project conducted by undergraduate students for educational purpose.