Question: how long does it take to see if you have a concussion?
Answer: In general, symptoms of a concussion should resolve in two weeks. Some people have symptoms for longer — up to three months. If symptoms don't resolve after three months. Concussive symptoms typically resolve in 7 to 10 days (sports-related concussions) or within 3 months (non-athletes) (Epps and Allen, 2017).