Hello, It looks your mother has developed chronic UTI and in such type of chronic infections,you need to give proper antibiotics,after culture and sensitivity of urine,for many months. There are several conditions which make the urine tract infection chronic and these are Diabetes Advanced age Menopause Kidney stones Lying immobile for a long time if you have chills,fever,vomiting or back or side pain,then this could mean kidney infection. You have to get all the investigations done to see for any problem which might be making it difficult to treat UTI. these investigations are CT abdomen IVP voiding cystourethrogram etc. You must consult a urologist and take proper treatment after all relevant investigations. She shall definitely be all right. Thanks