A 11 yers male pt is having dry scaly lesions over spine suggest me diagnosis and Rx

56 yrs male having complaints of this type of skin lesion all over body since 3 yrs. Severe itching until bleeds. Mild burning. Shedding of outer layer of skin after itching. No discharge. Complaints aggrevate more in cold weather. What may be the possible Dx?

24 years female having this erythematous annular lesions since 1 month. No itching. Please the case and suggest treatment

15 yr old girl labourer developed this extensive lesion since 02 months.. itchy.. Dx and Mx?

18 yrs M 1st pic - itching , lesions since 4 mths dandruff on n off 2 & 3rd pics - itching , lesions since 3 yrs pt use otc steroid cream in groin region Pls Dx n Rx