The subtleties of symptoms are not always easily identifiable, but are at the core of proper concussion management.
Duration, type, and number of symptoms are all important to proper assessment and diagnosis of concussion. However, some symptoms may be more important than others. For instance, nausea and severe headache could indicate something worse than a concussion, such as bleeding in the brain. The length of time of recovery from a concussion may be concerning because it will keep the student out of both play and learning activities.