Hi, My Friends Son Is Suffering From Ileocolic Intussusception Gender

Hi,
My friends son is suffering from ileocolic Intussusception
Gender - male
Age - 3
Barium reduction has some effect
But the pain persists
Stools normal
Complaint- pain intermittent vomiting/hard stony stomach
No stools for 2 days
Question: does a surgical reduction needed in compulsory
Can we feed the kid.if s what should be given and avoided
Please guide.