I have an oozing red rash on my forearms. It starts out as little bumps that are extremely itchy then spreads to the point of hardened skin. There is a distinct line where the rash starts and ends. I ve gone to a doctor that prescribed antibiotics and a steroid cream which cleared it up but now it is back with a vengeance. I can t afford another doctor visit. It cost &400for one 10 minute visit in Oct. and the doc won t refill the meds now. Will an Epsom salt bath help??