7. Psychological Factors
Being in a state of tension or suppression for a long time can lead to the release of acetylcholine in the body. It can act as a medium, causing dilation of the skin capillaries, increased vascular permeability, and serum exudation, forming hives.
It can be seen that there are many causes of hives. Therefore, to prevent this disease, it is necessary to avoid these high-risk factors.