A 52yrs male pt presents with itch for past 5yrs; itch is increasing and the skin peeling out

lesions since 4 days progressive involving whole body except face associated with extreme itching with no history of drug intake, insect bite and any irritant exposure...

15 yr male pt suffering from swelling over face n leg...n pitting type of edema present plz Tel me diagnosis n treatment

Pt aged 44 yrs....C/o generalised itching....Since 8 yrs....Daily itching....Taken treatment at many drs no Response and well Known dermatologist treated no response.... Pt is non diabetic/No thyroid problem/No Anaemia/No Scabies/No Liver problem/No renal problem/No Tension or Hysterical/No HIV/No Hbsag positive/No Drug Related Itching/Non HTN/No Food Related Allergy.....Dermatologist given her steroids/Dapsone tabs etc her weight increased but no Symptoms relieved....So pt is Very much Fed up of this along with family members.....No Relief of Itching.....So Challenging One pls share ur Opinions fast......If u feel diagnosis then tell Related Investigation,Treatment and prognosis...Must.

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

One year 2 months male child having rash and redness and itching 14 days .. no fever.. mother is allergy to some antibiotics... breast feeding now .. peadiatrician given efflocort 1% ointment anti histamine.. calamine lotion but no response sir ady please