Symptoms of cold urticaria?

summary

Cold urticaria is a disease with high incidence in winter. It is a kind of urticaria. When the human body is exposed to cold environment, it will cause some allergic reactions, which lead to cold urticaria, It is often because patients immerse their bodies in cold water for too long or contact with some cold substances for a long time, resulting in some skin edema and wind mass. Cold urticaria mostly occurs in the face, hand skin, can also occur in other skin parts of the body.

Symptoms of cold urticaria?

After the appearance of cold urticaria, the affected skin will have obvious itching or itching feeling, which is also a first symptom of this kind of urticaria. The affected skin will become very red and the surface looks smooth. The affected skin may suddenly attack because of the cold, and even make the affected skin unconscious.

There will be slight protrusions around the skin with cold urticaria, and the size of the wind mass can be several centimeters to tens of centimeters. In the center of the wind mass caused by cold urticaria, a small rash may appear, and these rashes may suddenly disappear.

After the disease, the blood vessels under the skin can have slight edema, and the scope of edema can be gradually expanded due to the development of the disease, and the maximum scope can reach the depth of the subcutaneous tissue of the patient. If this kind of urticaria appears very suddenly and disappears very suddenly, there is no need to treat it, as long as you pay attention to cold prevention at ordinary times.

matters needing attention

If cold urticaria does not disappear soon after it appears, it is necessary to seek the help of doctors. However, because cold urticaria is related to the constitution of cold allergy, it can be completely avoided if patients pay attention to cold prevention in time.