Is a kind of physical phobia that is induced by exposure to a physical cause such as coldness, friction, sun, water, physical pressure, vibration, etc.
Coldness occurs in children or young people. It is confined to cold areas such as the face and limbs. The rash appears within minutes of exposure. After heating the area, the diagnosis is performed by a snow cube touching the skin for 10 minutes. The rash is similar to the known rash With itching, swelling, and blotting, the rash is the first to prevent colds and the use of antihistamines under the supervision of the doctor and emergency check immediately in case of swollen face, mouth and tongue or difficulty breathing.