27 yr lady came with lesion.as shown in images.itching and swelling present.gradually it increasing in size.diagnosis and treatment plz??

1.Describe the findings 2.what could be the aggravating factor. 3.diagnosis and differential diagnosis.

22 years old male with these - lesions,over hand - Palmar aspect and foot since 3- 4 days . Mild pruritus Diagnosis and treatment

A male child presented with the history of hyperpigmented patches on the buttocks and leg for the past 2 days . The parents gave the history of fever with chills and rigor for the past 7 days for which he was admitted in a nursing home and has now recovered. He has not brought the previous case records. There is a history of joint pain in the child which has not fully recovered. On examination multiple irregular hyperpigmented patches with surrounding erythema present. They are tender on palpation.Cutaneous lymph nodes ( inguinal) are palpable and tender. The patient refuses investigation. Please give your opinion

A 35 yr female pt with Nodular swellings over both hands , feets and face since 5-6 months with B/L foot swelling, no itching , no burning sensation