Post-concussion syndrome is a medically recognized aspect of brain injury in which symptoms such as headaches, memory problems, difficulty concentrating, emotional changes, dizziness, or seizures persist after a concussion—even when CT or MRI scans are normal. Medical authorities including the CDC and NIH recognize that these injuries can significantly affect daily functioning, employment, and quality of life following car and truck accidents.
Why Post-Concussion Syndrome Matters in Injury Cases
Post-concussion syndrome presents unique challenges because its effects are often invisible on imaging but measurable in real-world function. Cognitive limitations, emotional regulation issues, seizure risk, and navigation difficulties can materially affect employment, safety, and independence.
Accurate medical documentation from qualified specialists is essential to demonstrate the full impact of the injury over time.
What is post-concussion syndrome (PCS)?
Post-concussion syndrome is a condition in which symptoms from a concussion—such as headaches, memory problems, difficulty concentrating, dizziness, or emotional changes—persist for weeks or months after the initial injury, even when brain scans appear normal.
Can post-concussion syndrome occur if CT or MRI scans are normal?
Yes. Major medical organizations including the Centers for Disease Control and Prevention and the National Institutes of Health recognize that concussion and post-concussion syndrome often do not appear on standard imaging studies.
What symptoms are common with post-concussion syndrome?
Symptoms may include headaches, dizziness, fatigue, blurred vision, sensitivity to light or noise, memory and concentration problems, irritability, anxiety, depression, and changes in emotional control.
How long can post-concussion symptoms last?
While many people recover within weeks, some experience symptoms for months or longer. Recovery time varies depending on the injury, medical history, and access to appropriate treatment.
Can a concussion affect work, driving, or daily activities?
Yes. Cognitive slowing, attention problems, seizures, or spatial disorientation can interfere with work performance, driving, navigation, and independent living.
Are seizures a recognized complication after concussion?
Yes. Post-traumatic seizures are a recognized complication of brain injury and may occur even after a concussion. Medical evaluation by a neurologist is essential.
Why are concussion claims often undervalued after accidents?
Because concussion symptoms may be invisible on scans and fluctuate over time, insurers and others may underestimate their seriousness despite well-documented medical evidence of real functional impairment.
What type of medical care is important for post-concussion syndrome?
Evaluation and treatment by providers experienced in brain injury—such as neurologists, neuropsychologists, and rehabilitation programs like those associated with the Shepherd Center—are critical.
If you or a family member are seriously injury due to someone else’s carelessness, contact us by phoning 404-253-7862 or submitting our contact form.
Last updated January 19, 2026
Johnson & Ward, founded in 1949, is the first, premiere personal injury specialty law firm in Atlanta. Ken Shigley is a senior counsel at Johnson & Ward. He is a former president of the State Bar of Georgia, earned three board certifications from the National Board of Trial Advocacy, and was lead author of eleven editions of Georgia Law of Torts: Trial Preparation & Practice. He is a past chair of the motor vehicle collision section of the American Association for Justice, the first Georgia lawyer to earn three board certifications from the National Board of Trial Advocacy, a recipient of the State Bar of Georgia Tradition of Excellence award, honored in Best Lawyers in America®, Georgia Super Lawyers®, and Multi-Million Dollar Advocates Forum®.