My daughter is 6 years old and for a while now my daughter has been getting unexplained bruises on her legs and has been complaining of really painful legs she falls every now and again but not enuf to bruise her self in weird positions all over her legs she has a really poor appetite where she won't eat properly for 3/4 days and one day she will eat nicely I'm getting really worried now as doctor has done blood test and said everything was fine someone help