migraine
"I take 1800 mg for the last three months. I have suffered aquired brain injury from viral  encephalitis. One of my main problems is ice pick headaches and ringing in both ears. While I have been taking this medication my  neurologist recommend that I also receive 

Botox injections. Also with no help, next injections take place in two weeks. I was informed that the first time of injections do not expect to much."