A 29 year old CFL football player, experienced a head-to-head collision resulting in a concussion. He had received a blow to the forehead and momentarily lost consciousness. He remained in the game and did not reported his injuries, and, subsequently experienced momentary blackouts on further head contact. He had to stop all activities and training immediately.
His complaints, as a result of the concussion, included constant intense headaches, dizziness and hypersensitivity to light and sound, unsteadiness while walking, reactional diarrhea, hypersomnia, and motion sickness. After 72 hours of treatment, all complaints were completely cleared up and he was able to return to practice and activities. He was selected to the roster for the next game 4 days later.