Hello, I am 58 year old female.....My symptoms for the last week have bee the following.....rash, itchy,burny,skin, which started on the lag and arm, and now is spread to feet upper back, buttocks. I saw the fill in dr. who gave me a steroid, and topical cream..however ineffective.....then he put me on an antibiotic (cephalexin 4x a day for 7 days...Inneffective.......I went to the ER and was seen.....ER did labs and said some of the results wont be in for a couple of days.....The ER guessed and said bed bugs, but then stated, he couldn t treat me until he knows what he is treating me for....Sent me home said see my regular dr, in a couple of days......