my granddaughter 18yrs. has a rash on arms, chest, back stomach. has been diagnosed as contact dermatits. had it for 1 month took 14 days of steriods finished 1 week ago. rash never cleared up and is back worse than ever. dr. wants to refer her to dermatologist. now she is complaining of nausea and sore throat as well as itching. what else could this be?