It’s all depending on which area that psoriasis affects your body. Someone can get this light therapy only in one area, such as the scalp or hands, even a whole body. A healthcare provider will protect your sensitive skin areas, such as genitals, and eyes before having this treatment. But light therapy needs several sessions to increase the amount of your skin exposed to UV light gradually, it gives you time to heal as well.
People usually undergo three to five sessions per week for 2 to 3 months. They will see the improvement in 2 to 4 weeks depending on the types of light therapy. Keep in mind that each person’s skin will react toward this light therapy differently, whether in how much improvement they will get in their symptoms and how long these benefits will last. Since the increased risk of skin cancer, your doctor may suggest you limit their lifetime usage of PUVA phototherapy to 150 sessions. Once again, it is all depending on your condition. You can ask your doctor to give 37. psoriasis knees and elbows if necessary.
Is light therapy effective?
Of course, this light therapy is effective to reduce or even remove psoriasis symptoms. It has estimated that the symptoms will improve noticeably or even go away. Currently, PUVA with psoralen tablets was more effective than using band UVB phototherapy. However, the side effects were more common and the risk of skin cancer may be higher. So, you need to talk with your doctor and consider the pros and cons carefully. When you wonder about the causes of psoriasis on the face, then there is no exact cause. How long does phototherapy take for psoriasis is also depending on patients’ conditions.
PUVA therapy will use the psoralen added to your bath that has been shown to reduce the symptoms more effectively. Light therapy which combined with bathing is also more effective than using UV light therapy without bathing. It’s all depending on your situation, and your doctor will find the best treatment for you.
Who will get light therapy?
A skin specialist or dermatologist will recommend light therapy if lotions and creams are not enough to control the symptoms. Patients with moderate to severe symptoms may get benefits from this light therapy. In a moderate condition, it will affect 3 to 10 percent of the body, and severe psoriasis will affect more than 10 percent of the body.
People who take medications and other over-the-counter supplements will make their skin more sensitive toward UV radiation, it should not undergo this light therapy. There is some photosensitizing medication such as diuretics, sulfa drugs, contraceptives, etc. You have to talk to your professionals about current medications and supplements before undergoing this therapy.
A healthcare professional or doctor will consider the sensitivity to UV light when they suggest it to their patients. Despite this precaution, people still can get side effects as well, such as an itching sensation, mild sunburn, blisters, increased risk of skin cancer, cold sores, and so on. You have to talk with your doctor about phototherapy for psoriasis.