7 yrs M lesions on face & forearm since 5 days mild itching Pls Dx n Rx

12yrs boy residing in govt hostel having these lessons all over the body pls suggest the treatment and diagnosis

M/16, C/o. itching and burning all over face. K/c/o. dandruff presently on danclear shampoo.

Pls see the condition n and diagnose the case... boy was using all kinds of medicine with no relief... so pls suggest the diagnosis n medicines

Male 50. Construction worker. This type of lesion over trunk since 1 year. Occasional mild itching.sensations present. Plzz suggest diagnosis.