probably the itchy rash that comes and goes is dermatitis commonly known as eczema. you can apply aloe gel cream with curcuma glycyrrhiza majishta (rubia cordifolia). internally start with herbal combination of curcuma tinospora and majishta at dose of 3 gms daily.
what is this rash that won't go away? this began as a few small bumps on my feet. . after a few weeks my feet were completely covered in red itchy bumps. my dermatologist then prescribed me topical steroid cream and also oral steroids and antibiotics. this cleared it up in about 10 days. it then came back in one general location on each foot. for a while it would go away then come back in the exact same spot on each foot. it would ooze horribly and itch like crazy. it would look clear then come back. after a while i have developed hives on my arms legs stomach and back.