How many times does psoriasis usually be exposed to light

The number of general psoriasis light varies from person to person, according to the severity of the disease, the type of light, individual differences and treatment program settings, follow-up maintenance treatment judgment.1. Severity of the disease For patients with mild psoriasis, the number of light may be relatively small to see a certain effect; and more serious patients, often need more light to control the disease progression and improve symptoms. 2. Type of illumination e.g. narrow band UVB (NBUVB) and excimer laser and other different phototherapy methods, the number of times required to achieve the same treatment effect may be different. 3. Individual differences Individual response to phototherapy is different, some patients are more sensitive to phototherapy, and may be able to achieve better results after less times of illumination; while some patients respond relatively slowly, they need to increase the number of illumination. 4. The setting of treatment plan The doctor will formulate personalized treatment plan according to the specific situation of the patient, including the frequency and dose of light, which will also directly affect the total number of times of light. 5. Follow-up maintenance treatment Even if the symptoms are obviously improved, a certain number of times of light may be needed to consolidate the efficacy and prevent recurrence of the disease, which will also increase the total number of times of light. To determine the specific times of psoriasis irradiation needs to consider a variety of factors, patients should strictly follow the doctor's treatment recommendations, actively cooperate with the treatment, and closely observe the changes in the condition, so as to adjust the treatment plan in time.