 [ Symptoms ] when should i call my doctor about psoriatic arthritis [ Disease ] if you have not seen your doctor yet particularly one that is trained in concussions as most primary care physicians are not you need to right away a concussion is swelling of the brain getting a 2nd concussion when still symptomatic from the first concussion is incredibly dangerous and can lead to very severe consequences such as permanent brain damage i cannot stress enough the importance of going to your doctor right away