Suggest Remedy For Multiple Ailments

My daughter and has had delayed milestones. She is six years now. walked at 4 years, is not able to speak, she is asthmatic, she had an enlarged heart at two-three years, was operated on to remove adenoids, she is not stable when walking, the doctors say she has delayed neuron development, she is in and out of hospital every so often with pneumonia, E&T infection, she has hardly attended school, and has had persistent cough that has refused to respond to medication the doctors say she is hyper allergic, they have done all tests available and cannot say what she is suffering from or what triggers her sickness, she convulses with fever and has been in intensive care unit. She has been admitted in hospital with persistent pneumonia, and now she has a cough that has lasted over two months and neither is she responding to medication. Together with the cough has been diarrhea and vomiting which stopped. She is not able to bring out mucus on her own and sometimes accumulates in her chest needing physiotherapy. She has a cocktail of medicines that she takes every morning, lunchtime and evening. She is visibly fatigued by this. Please advice