it started as a bump 5 days ago. now its blisterlike and located on my left lower abdomen and back, lotrimin doesn't do anything, clotrimazole seemed to, hydrocortizone seemed to make it burn more and swell more. my lower back and side also ache as if from muscle strain and it is achy on that side to breathe, the reason i said i think its shingles or psoraisis is from pictures that are similar. i know i need to see a doc but what do you think.