21 years female, Multiple macular red patches on both legs and back since 3 days. Burning, and itching on lesions No fever What is diagnosis? how to manage this case?

A 32 year old female presented for a mildly itchy rash on her legs of 3 days’ duration as well as lower extremity joint pain and abdominal pain. She states that she has had a cold for approximately 1 week and has been taking over-the-counter cough medication for her symptoms. The patient thought the rash may be the result of an allergic reaction to the medication, but the eruption worsened after discontinuation. She denies fever, dyspnea, diarrhea, vomiting, or other symptoms. Vital signs are normal. On physical exam, nasal congestion is noted, but her oropharynx is clear to inspection, and her lungs are clear to auscultation without rales or wheezes. The patient’s rash affects both legs but is worse on the right.

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

7year child presented with rashes on whole body acute in onset along with puffy eyes , swelling on hands and feet. pain abdomen. diagnosis &treatment

11 yrs old boy with purpuric skin lesions in both legs and thighs for about 4 days ago, associated with itching , no other symptoms besides fever. no drugs history or allergy. please diagnose and treatment.