"nerve pain, tingling, painful tension, numbness in face, headaches, shoulder and ear pain, &quot;zaps&quot; in face due to really bad tmj for 11 months. that caused a major depression and extreme anxiety &amp; insomnia. after i was hospitalized for a brain surgery (different story, not related) and the doctors heard about my story the pain management department got involved &amp; rx&#039;d gaba &amp; opipramol (germany). immediate relieve of 95% of my symptoms with the first dose of 300 mg. i went up to 300 2x daily and was back to my old self within a week. after a horrific dentist app 8 months later i was left with tons of more pain &amp; had to goto 2400mg to feel effects on pain, despite gaba fell in deep depression, anxiety etc.just added nortriptyline &amp; see...."