The child's skin itches and a pimple appears when scratched

Children's body resistance is not as strong as that of adults, so they are easily infected by some skin diseases and affected seriously. When skin itching occurs, observe whether there are damage, blisters, and local scratches. If so, go to the hospital for examination in time to avoid causing more local infections.

1. Paroxysmal severe itching

Itching attacks often occur at regular intervals, and are most likely to be caused by mental changes, before going to bed, temperature changes, drinking, and eating spicy foods. Once an attack occurs, it is often unbearable and requires vigorous scratching, sometimes even with the help of instruments, until the skin is broken and bleeding and the pain is felt, only then can one stop.

3. The occurrence of this disease varies with age and season. It is generally more common in the elderly (senile pruritus) and is prone to occur in winter and summer (winter pruritus, summer pruritus). Those that occur in winter can be cured in the spring; those that occur in summer will be relieved in winter.

It often starts from one place and gradually spreads, even throughout the body. More common in the elderly. In addition to the atrophy and dryness of the skin due to aging, this disease is also prone to occur in conjunction with systemic diseases such as visceral cancer, liver disease, and diabetes.

5. Localized pruritus (P. localis): The itching is limited to a certain area, and several areas may be affected at the same time. It is mostly related to local factors, and is commonly seen in the vulva, anus, head, calves, palms and soles, and external auditory canal.

(1) Vulvar pruritus: It can occur in both men and women, but is more common in middle-aged people. In men, it often occurs in the scrotum (Pruritus scroti) and may extend to the base of the penis. In women, it is more common in the labia majora (P. vulvae) and the surrounding areas. Vulvar pruritus often turns into chronic due to improper treatment or abuse of irritant drugs. The skin shows infiltration and hypertrophy, which is prone to secondary eczema, severe itching, prolonged course of the disease, and may not heal for many years.