Amantadine has been mentioned in the past. If it is used for concussion or cognitive issues, it is an off-label use. The problem with it is many of the side-effects are also symptoms that are caused by concussion.
NIH lists it this way: Amantadine is used for Parkinson's Disease and also as an anti-viral drug.
Amantadine may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
If you experience any of the following side effects, call your doctor immediately:
depression or anxiety
swelling of the hands, legs, or feet
shortness of breath
Six of ten side-effects are common to concussion.
Doctors who use drugs to try to force improvements with concentration are off base in my opinion, and based on the research I have done. The brain needs to rest to recover.
Treat the head aches and anxiety. Let the brain recover to regain concentration. But then, many doctors seem to be trained to treat the patients' complaints, not their injury.
I found some of the original article abstracts.
The patients studied were in various stages of coma with very few able to follow any verbal commands such a list your arm The improvement observed was a shortening of the time until wakening. It did not show any improvements in outcome after recovery.
It works be slowing the dopamine process so that dopamine stays active for a longer period.
Here is http://sciencenordic.com/flu-drug-he...tients-recover
more of the article :
If Dr Robbins had read the article more thoroughly, he would not have made the comment " The obvious question… can amantadine work for mild head injuries as well."