What is the cause of psoriasis

summary

Recently, my sister always wrapped herself up tightly. After my repeated questioning, I found out that she had a lot of dandruff on her body. She looked disgusting and itchy. Now she's scratched. My mother said it's psoriasis. Now let's learn the etiology of psoriasis.

What is the cause of psoriasis

The first reason is: the cause of psoriasis is not very clear, generally believed to be related to a variety of factors. Genetic factors play an important role in the pathogenesis of psoriasis, which has been confirmed in family and HLA studies. The first generation relatives of psoriasis patients are 40 times more likely to develop psoriasis than the general population.

The second reason is: streptococcal angina has been proved in infection. Some patients often have a history of tonsillitis before the onset of the disease. Blood culture of these patients can find the growth of Streptococcus A and the increase of anti streptococcal "O" in the blood. Psoriasis can also improve after tonsillectomy.

The third reason is: in addition to the above genetic, infection and other factors, immune abnormalities, fat or sugar metabolism disorders, mental stimulation, trauma, seasonal changes and endocrine, hemorheological changes, some drugs, such as propranolol, are involved in the onset of the disease, or make the disease worse.

matters needing attention

Prevention of infection is a must for patients with psoriasis. Therefore, local infection can also cause psoriasis. If it is found, timely treatment is needed. For moderate and severe treatment, oral administration is needed. For example, Fangxi Xavi a capsule needs continuous medication.