Operators and patients should wear special UV goggles to avoid corneal damage. 2. Special parts such as normal skin and genitals should be effectively covered. 3. Avoid taking light-sensitive foods or medicines. 4. For patients with thick skin lesions and scales,bathe in warm water for about 30 minutes before lighting to remove the skin lesions and scales. 5. Do not apply salicylic acid or thicker tinted moisturizers within 4 hours of sun exposure.
What patient concerns
1.What are the types of home UV phototherapy device?How to choose?
According to the wavelength of ultraviolet rays,household products are mainly divided into two types: UVA and UVB. UVA must be used in conjunction with photosensitive drugs,and the side effects are larger,so the application is less. Among the narrow band UVB,311nm and 308nm are the most commonly used and have the best effect.
311nm is suitable for large-area skin disease treatment,and 308nm is suitable for small-area treatment.308nm has high intensity and better treatment effect.
Before choosing an phototherapy device,you can consult your dermatologist.
2.How long will phototherapy treatment take effect?
2-3 times a week,usually after 1-2 months of irradiation,melanin will grow and pigment islands will appear.
3.How to prevent recurrence of psoriasis after phototherapy recovery?
Psoriasis is easy to recur in autumn and winter every year. In the autumn and winter of each year,a small dose of light for a period of time can prevent recurrence.
4.Why are vitiligo still increasing during phototherapy?
If new leukoplakia appears in the original part,it may be the appearance of hidden leukoplakia or itself is still in the developing stage. If new leukoplakia appears in other parts,it means that your whole body problem,phototherapy combined with immunomodulatory drugs for control.
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