Why do you get acne when you are cold?

Some people have very fragile and sensitive skin. After receiving external stimuli, there will be some abnormal reactions. Even the influence of external weather changes will stimulate the skin, and even when it is cold, the skin will get acne. Why? According to experts, when a cold skin breaks out, it is likely that you have cold urticaria. What disease is cold urticaria? Let's see: cold urticaria is a kind of urticaria. When the patient encounters cold air, wheal-like redness and swelling appears on the exposed part of the skin or the whole body, which can be seen at any age, usually more acute, and is more common in female youth. There may be two reasons for the onset of cold urticaria. First, the disease has the characteristics of family inheritance, and the patient's parents may have the disease and pass it on to the next generation; Second, the patient's acquired illness is related to the patient's personal physique. For example, patients stay up late, moderate fatigue leads to low immunity, or some diseases lead to decreased immunity. Cold urticaria mostly occurs in exposed parts of the skin, such as face and hands. Urticaria can be accompanied by severe itching and sometimes abdominal pain. Therefore, we should pay attention to keep warm and prevent urticaria. ? Los Angeles International Airport. What's the matter with you? !