Causes of skin pruritus in patients with psoriasis

summary

Pruritus is the most important manifestation of psoriasis, patients often can not stand, their skin will scratch the flesh and blood. In fact, scratching can not solve the problem of itching, but also easily lead to more serious itching. So what are the causes of skin itching in patients with psoriasis. Now let me explain.

Causes of skin pruritus in patients with psoriasis

First: psoriasis skin itching is due to the exfoliated epidermal cells, capillary wall cells, serum and other autogenous tissue proteins, combined with bacteria to form antigenic substances. After the autoantigen absorbed into the blood through the dermis capillaries, it stimulates the body to have an allergic reaction, leading to red rash, which causes different degrees of pruritus in patients with psoriasis.

Second: there are many patients with psoriasis have asked the doctor why the skin itching, the more will scratch the more itchy. In fact, this is because the occurrence of the above reasons can also make the skin inflammatory reaction, inflammatory reaction stimulates small nerve fibers in the dermis, produce slow frequency nerve impulses, slow frequency nerve impulses make the sensory nerve in the cerebral cortex itch, psoriasis after scratching the skin, but the itching aggravates, so patients with psoriasis should not scratch the itching place, otherwise it will not only have the effect of relieving itching On the contrary, it may scratch the affected area and infect other diseases.

Third: personal hygiene problems, such as inadequate cleaning, irritating products, or eating foods that are easy to relapse.

matters needing attention

Due to the complex etiology of skin pruritus, it is very necessary to develop individualized treatment for patients. First of all, we should consider the patient's age, underlying diseases, past medication history, the severity of pruritus and the impact on the quality of life of patients. The most important thing is to make a clear diagnosis. At the same time to let patients understand the basic knowledge of reducing skin itching, such as to avoid scratching, and external use of anti itching emulsion and lotion.