hi, my child is 3yrs old and she is suffering from eczema for the past 2 months.first it started at the back of the knees as thick scales and gradually spreads over her arms,elbows,stomach,back,upper& lower legs as small coin like patches with itching esp at the backof the knees.undergoing homeo treatment.treated with calc sulph,lyco.seems like itz better in some parts and again spreads in some other parts. now is bieng treated with sulphur for the past two days.how long will it take for my child to cure completely?kindly advice.thanx