The pekingese,Jojo

My dear pekingese dog,Jojo is sick..So weak all of a sudden!Brought him to vet just now..after examining Jojo,doc said Jojo need to be admitted..they took blood sample from Jojo..found that jojo's white blood cell is more than the red 1.But we ask me medication only...
We adopt Jojo around Chinese New Year,so he is with us around 2 months...He is very ill...laying on the floor whole day..urine on the floor while he is lying on the floor..He look more week after taking medicine..