The onset of psoriasis is characterized by the sudden appearance of a large amount of dandruff and an itchy feeling. After the onset of psoriasis on the head, a large rash will appear on the patient’s head, and in severe cases, it can cause hair loss. The actual head psoriasis is best treated as soon as possible, and also pay attention to the medication caution, and also pay attention to the choice of hair shampoo. What are the characteristics of the specific head psoriasis symptoms? When psoriasis occurs in the head, it will destroy the scalp tissue, resulting in the scalp is eroded by psoriasis toxins, hair loss. Many head psoriasis patients experience hair loss due to endocrine disorders, mental trauma, vascular dysfunction, neurotrophic disorders, abnormal immune function and genetic factors. The fact that the head psoriasis patient hair loss can not be ignored factors, according to the survey shows that in the psoriasis hair loss patients who are iron deficient accounted for 30%. The head psoriasis patients with abnormal thyroid function will make the hair dry and easy to break. The experts pointed out that the head psoriasis will be with the development of the condition of the entire scalp, resulting in hair loss and other phenomena, if the head psoriasis patients do not timely treatment, or improper treatment, or even the influence of other factors, it is likely to lead to the phenomenon of hair loss. The toxins contained in the blood of psoriasis patients can also damage the hair follicle tissue, especially those who consume excessive sugar and fatty foods head psoriasis patients for a long time, in the process of metabolism produced lactic acid, pyruvic acid, carbonic acid and other acidic substances retained in the body, thus making the body produce a lot of acid toxins lead to hair loss. The causes of psoriasis: First of all, we say that psoriasis is triggered by a variety of factors, the occurrence of psoriasis is mainly related to genetic qualities, infection induction, environmental influences, endocrine abnormalities, metabolic disorders and immune dysfunction, there has not been found any evidence of infectious diseases such as pathogens and transmission routes. Therefore psoriasis is not a contagious disease. So psoriasis is not a contagious disease. This worry is unnecessary because psoriasis is not a contagious disease and naturally it is not contagious to other people, so psoriasis does not have to be prevented from being contagious. It is not necessary to stay away from psoriasis patients, but rather to give them more encouragement. Expert reviews: Each patient’s degree of illness is different, and it is very unsafe to use a prescription without measurement, and the prescriptions generally contain a lot of hormonal ingredients, especially those configured by western medicine are more obvious.