Hello, I can understand the difficulties the patient, your sister and the family must be going through. Tuberculosis of the abdomen is not limited to abdomen but is a systemic disease, hence, the problem of being like a skeleton, losing weight, appetite and so on. She needs an institutionalized care, intravenous also called as parenteral nutrition, maintenance of good hemoglobin, proteins, multivitamins, mineral and trace elements. Also, needed is the proper anti-tubercular treatment with multiple drugs, may be streptomycin injections. Investigations like CT scan of abdomen to see for any stricture in intestines and get operated at an appropriate time if needed. This is a multi-specialty treatment and hence all working together can alone give best results. Once there is improvement daily care, follow up and progress should be governed by the Doctors. So, believe in your Doctors, discuss everything in details and go ahead with an appropriate management. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. T Chandrakant