Suggest Treatment For Enlarged Liver And Spleen In A Child

my 33 months old daughter has been spiking temperatures or 39.8 it has been dicovered she has very enlarged liver and spleen, kidney fundtion tests are coming back abnormal. she has a large amount of fluid on het stomach which has resulted in 2 hernia s. she has lost the majority of her hair, she has always been very small and currently her BMI is 15.2. she has low level platelets and nutrafills in her blood. we have taken her to hospital but htey cannot connect the sypmtoms and give us a diagnosis. can you help?