Psoriasis phototherapy, side effects?
Type:Uv phototherapy Time:2018-09-15 11:49:17Psoriasis phototherapy, side effects?
¡ñ What are the side effects of phototherapy?
Although phototherapy is safer, it has side effects, just as we are safe to sunbathe, but it is sunburnt if it is too strong. The side effects of phototherapy are: 1 sunburn, the main element causing sunburn is ultraviolet light, phototherapy is to peel off part of the ultraviolet light to treat the disease, if used too much will cause local sunburn. So a very experienced doctor is needed to control the dose of light. If a sunburn occurs, it can be gradually restored. 2 pigmentation. After 1 or 2 times of phototherapy, the skin will appear pigmentation (blackening of the skin). After more than 10 times, the skin will become black, but after a few months, the skin will return to normal color. I think that getting black skin is not a problem, but it will look healthier. In addition to these two points, narrow-spectrum UVB will cause rough and dry skin after long-term exposure, and the remaining long-term side effects are few.
Many people worry that long-term phototherapy will not have tumors? At present, studies on narrow-spectrum UVB show that the risk of tumor induced by UVB phototherapy is not increased. While PUVA treatment may increase the incidence of skin tumors, PUVA treatment is becoming less and less used worldwide.
¡ñ What should I do if I have side effects?
After the side effects of phototherapy appear, they can be treated separately. When the sun is excessive, causing acute sunburn, you can take a shower or a partial cold. Some scholars believe that hot showers or hot compresses are effective. In addition, topical moisturizers or corticosteroids can reduce inflammation, especially when it is possible to take oral anti-inflammatory drugs, but do not eat hormone drugs. In general, acute sunburn is a transient injury that takes a few days or ten days to recover slowly. No need to deal with tanning, it will fade away over time. For dry skin after phototherapy, patients are recommended to moisturize the skin with a moisturizer and emollient oil after the irradiation.
¡ñ What happens when you stop phototherapy?
Phototherapy needs to be stopped when these conditions occur. 1 There is a more obvious sunburn. 2 The erythema reaction (red patches on the skin), if the erythema of the whole body is blistering, redness and pain, it is necessary to stop the phototherapy immediately. It can only be illuminated again after stopping for a while. When re-irradiated, the phototherapy dose needs to be reduced. 3 eat photosensitive drugs or food. 4 The phototherapy contraindications mentioned above appear. In addition, phototherapy is not recommended when applying immunosuppression.