it took 3mon time that my girl was diagnosed cah salt-wasting.we sent her to hospital once time ,twice ,third.how hard that days was!when my girl began eating corterf about 20days ,she gained no pound.we were so anxious.my husband went to hosiptal times and times to ask docter why.about 3.5weeks,my girl began gaining weight.some times treating needs time.i has been being remerbered Chirs writing ,all will become better.that it is.when children are illness.the corterf dosage will need more.good lucky to you.yong yan