My mumma suffering from breast cancer.

My mother age 59 is a patient of breast cancer which was detected in mid 2015 in 4th stage, chemotherapy n necessary surgical treatment was done successfully, but in the year 2016 herpes was detected n so chemotherapy was stopped in feb 2017 which resulted in re development of cancer germs near the brain. The chemotherapy was restrted frm the spinal chord since augst 2017.As a result some problem developed in the heart and she had to depend on oxygen and her chemotherapy was stopped since 2 months ago.she felt constipation n nauseatic and vomitting tendency...WBC increased along sever pain in her back n headache,memory loss to some extent and also loss of appetite.she had to be hosptlised with increased BP, body trembling and sugar. After blood test doctors said is a case of sever infection. She ws admitted in ICU for 3 days since 18.12.2017 and the said trouble is contrlled to a very little extant. She is not feeling comfortable and behaves unruly aggressively. please suggest for her.