Psoriasis is a common chronic relapsing autoimmune skin disease in dermatology. For patients with mild plaque psoriasis, drug therapy often achieves satisfactory results. However, moderate to severe psoriasis often involves the entire body, and drug therapy has limited efficacy and is prone to relapse. Therefore, in recent years, there has been a growing interest in narrowband ultraviolet B (NB-UVB) phototherapy for moderate to severe psoriasis. NB-UVB irradiation is considered a safe and reliable treatment for psoriasis.

Learn about UV phototherapy as an effective treatment for vitiligo in this informative article. Discover the principles of 308nm excimer laser, dosage adjustment, common Q&A, and precautions during treatment. Explore the suitability of UV phototherapy for different types of vitiligo and understand its mechanisms and potential side effects. This article provides valuable insights for individuals seeking effective solutions to manage vitiligo using ultraviolet light therapy.