As far as the mental and emotional side goes, his mental and emotional state can be balanced and stabilized, wich will help everything else, by taking 5-HTP and / or Choline / Inositol ( seratonin and seratonin re-uptake inhibitors ), or herbs such as valerian, passion flower as a booster, Agar -35 works really really great, semde does too, is mellower than agar-35. Take him for a walk in nature somewhere, with a lot of space.
These herbs and supplements completely pulled me out of a full blown panic disorder and dissociation / anxiety complex.
Simple breathing exercises such as vajra repetition work tremendously and are very simple, fast, and visceral, I use it everyday to achieve quick and easy calm and bliss while I drive a truck, I highly recommend vajra repetition.
He won't be able to meditate with all this static but these supplements and herbs are guaranteed to help him get through.
These herbs and herbal compounds will also help protect him from negative influences while he is in a very vulnerable state to them, as anybody in a weak physical, emotional, or mental state is, and suffering upon suffering ensues.
The nonexistence of the transcendence of suffering
is what the protector of the world has taught as the transcendence
Knots tied on space
are untied by space itself.
May I never be seperated from perfect masters in all lives,
and delightfully experiencing the magnificent dharma,
completing all qualities of the stages of the paths
may I quickly attain the state of Vajradhara