i m having a chronic problem of painful swelling in lower abdomen which appears every now and then.i have consulted various dermetologist but every one has come up with different diagonosis. some said it is herpes( i did herpes test,it was negative), some said it is an unidentified ulcer ,whereas some said is a cyst . whatever it is,its very painful and occur most of the time in the same area. recently i have read about this disease atopic dermatities and i think i m having it. only locoid lipocream gives me relief. have already done various antibiotic course but it was of no use.my locoid oinment has finished, can i use candiderma as a substitute?