My name is vivyan * I am 12 years old I just got my first shunt replacement it was very scary I will admit it but I got threw I was having headaches really bad like your so I went and got my shunt replaced I was the first one to get the kind of shunt I have it was made my DR scalar and I have onley had it replaced once and that was not to long ago if u still have those head aches please go and get your shunt replaced I haven't had any headaches since I did u wil feal relly releved afterwards well hope this helped I really do