Suggest Cure For Slurred Speech,lack Of Coordination And Shaky Walking

My brother has taken this for first time 3 days ago he still has slurred speech no cordination incontenience and really shaky walking he has been seen by a doctor who says it is jusy coming off the drug but he had a fall and has severe brusiing to his head and face and i am begining to think he needs medical attenton many thanks I am so worried