H/o of skin lesion since 2 months with itching diagnosis ?

A 32 year old patient came with the complaints of - Itching and burning sensation since 3 days. History of fever and common cold 5 days ago, taken allopath treatment and then he was ok for 2 days and then suddenly developed this kind of skin problem! Please suggest the Dx and AYUSH line of treatment.... What is the cause of this condition?

22 year old male having itching at night time last 3 month. 2 times scabies Rx gave but not relief. Respected sir/mam suggest dx and rx

A 65 yr female having such type of skin lesions since 1 month. C/o itching with mild burning sensation. No DM, HTN. Please Dx & Rx?

25ym ,lesions since 7 month, severe itching, dd&tt