Rare or less common post-concussion syndrome symptoms include irritability, stubbornness and behavioral changes, notes Mayo Clinic. Other post-concussion symptoms include headaches, dizziness, fatigue and insomnia. Loss of memory and inability to concentrate are also symptoms of post-concussion syndrome.
Depression, anxiety, impaired cognition and psychological changes occurring after a concussion can adversely affect the ability to work and daily living, explains WebMD. Post-concussion syndrome symptoms generally appear within a week to ten days following mild traumatic brain injury and can persist for weeks or months, says Mayo Clinic. Pain medications are used to treat physical symptoms of post-concussion syndrome. Antidepressants and psychotherapy are used to treat psychological symptoms, notes WebMD.