If you’re like the majority of people who have had a concussion, then you likely recovered a few weeks afterward and have felt fine ever since then. Concussive symptoms typically resolve in 7 to 10 days (sports-related concussions) or within 3 months (non-athletes). But not everyone is that fortunate: up to 30% of post-concussion patients have lingering symptoms that don’t go away with time and rest.
And even if you do recover and walk away with no long-term symptoms, it isn’t without consequence: You will always be more susceptible to another concussion than someone who hasn’t had one, particularly during the first year after your concussion. It takes less force to sustain a repeat concussion within a year of the previous concussion and it’s likely to take more time to resolve. Repeated subconcussive jarring or shaking to the head can contribute to this situation as well.