I hit forehead on lamppost 10 days ago. for 7 days now i have headache, nausea. loss appetite and keep waking up in middle of night. can't sleep.

Prompt med eval: Hello. Symptoms of a concussion can include: headache, nausea, vomiting, confusion, blurred vision, slurred speech, weakness, feeling dazed, numbness, lack of coordination, problems with short term memory, dizziness as well as repeating things over and over. You can develop a concussion with or without loss of consciousness. Please have this promptly evaluated.