Autoimmune purpura...

5 years old male presented with rashes ..on the lower limb..since one week .and increasing ..not associated with itching ..joint pain or swelling ..diagnosis and management..please

12 yr old male complains of itching and rash in right leg and fever for 2 days

12 years female Itching and no burning Multiple red rashes on the both legs. What is diagnosis ! Treatment ?

50 female with 3 week history of pruritic, erythematous, maculopapular rash first beginning on right shin, and on left shin several days later. No significant medical history. No medications. No allergies. Physical exam unremarkable. Does have a history of atopic dermatitis, but in the past and very mild.

40 yrs female patient came with c/o Erythematous rashes over the Both lower limb with swelling last 4 days no history of fever kindly give valuable opinion