Talk to Neuro Physician on Hydrocephalus Magnetic Shunt

Assalam o alaikum! My query is about my brother is 31 years old. He was diagnosed with hydrocephalus and doc adviced to have surgery there were two water ballons in his brain one in upper brain and a lower brain. Surgery was performed and vp shunt was inserted but right after 3 days shunt got block again.. and doc operated it in the third day of said that water drain from lower brain so didn't insert shunt in lower brain.. but after second surgery ballon appear again... and he went through another surgery and this time he went for magnetic small stratra 2 Programmer 's been 5 months after surgery now for past one month he's been complaing of severe pain in head while movement... we went to doc and he said k shunt is working but noticed over drainage of csf ... the setting of this valve is 2 currently. Doc asked him to take rest and he is being doing that for several days but his condition didn't change... no improvement... i need help what can be