Table 4: Increase in NB-UVB treatment time based on skin type

 

SKIN TYPE

INCREASE IN TREATMENT TIME

DOSE

Type I

2 seconds

15 mJ/cm2

Type II

3 seconds

25 mJ/cm2

Type III

5 seconds

40 mJ/cm2

Type IV

6 seconds

45 mJ/cm2

Type V

7 seconds

60 mJ/cm2

Type VI

9 seconds

65 mJ/cm2

 

Reprinted with permission from: Nolan BV, Yentzer BA, Feldman SR. A review of home phototherapy for psoriasis. Dermatology Online Journal 2010;16(2):1