Wow, how very difficult. I'm so sorry that you're going through this.

As far as waking up "stoned," amitriptyline makes me feel that way in the morning, too. I am on 30 mg now and it takes a good while for me to really wake up in the morning. That is the trade-off for the reduction in headaches, I guess.

I was a teacher before my concussion, and I can tell you that attending school is a prime opportunity for a setback even if he has been improving. There is a LOT going on with a LOT of people and LOTS of sensory and cognitive input. I pushed through my first week and ended up having to take the entire next semester off. I then tried to return this school year (part time, one-to-one setting) and still wasn't able to manage it. You might seriously consider taking a leave from school and/or homeschooling so he can learn in an environment that is not so over-stimulating.

Where are you doing the cognitive retraining? I attended some seminars on LearningRX, which is a commercial chain that does this. Are there medical professionals who also do it?

Finally, as far as supplements, here is what I've been taking for the past six months:
- Algal DHA: 900-1000 mg daily
- Vitamin B-Complex 100: 1 daily
- Acetyl-l-carnitine: 500 mg daily
- Vitamin D3: 2000 IU daily

I also have an anti-depressant (we are still trying to find one that will actually help me feel less depressed) and of course the amitriptyline at night.

Good luck. I know this must be totally overwhelming for both you and him. It does get better, but in my experience, it's a VERY slow process.