what are signs and symptoms of a concussion?
<answer> The signs and symptoms of a concussion are Headache, Dizziness, Feeling pressure in the head, Seeing stars, Ringing in the ears, Sensitivity to light and Sensitivity to noise. <context> Head symptoms are the most common symptoms that are exhibited after a concussion. 1  They generally develop immediately after the injury occurs and can last for several days. Head symptoms include: 2  Headache. 3  Dizziness. 4  Feeling pressure in the head. 5  Seeing stars. 6  Ringing in the ears. 7  Sensitivity to light. 8  Sensitivity to noise.