Is your mother currently on chemo or radiotherapy? And she seeing any oncologist?
Did the emergency department give her antibiotics after running urine tests?
Give her increased fluids with cranmax sachet twice a day for 5 days and panadol when fever spikes.
It would be best to get expert opinion especially of she is on any medication that can affect her liver or kidney functions
For further consultation, you can choose from our list of best Oncologists in Karachi and seek in-person advice.