I am experiencing skin sores, itchy rash (severity: severe) (quality: severe itching) (side: scalp) , rash in armpit (quality: pustules or pimples) , itch, leg numbness and skin rash (quality: itchiness, blisters, crusty, bumpy, red or bluish purple, fla

Dermatologist: A dermatologist is best qualified to diagnose and treat this problem. I would be concerned about scabies which can cause these symptoms.

Sore/ itchy rash: May be eczema, psoriasis which could respond to steroids but may need stronger treatment if diffuse , folliculitis for which mupirocin topical and bactrim oral if not allergic would help , or autoimmune process . or food intolerence- gluten, milk . Would follow up with dermatologist