 [ Symptoms ] dizziness vomitting falling down hitting head how do you check for concussion  my wife went to bed and a while later started to vomit got up lost her equilibrium fell down and hit her head she remained there for a few minutes got up went to bathroom changed clothes returned and fell again at same place hitting her head again evidently there is something causing the dizziness like a virus but with the dizziness of this how can we tell if she also suffered a concussion upon falling [ Disease ] you need to take her to the hospital immediately and dont let her fall asleep keep her up until a doctor is able to see her