Traumatic brain injury symptoms vary from person to person and on the severity of the injury. Even when a person has a serious injury, the signs of TBI may be subtle. Some symptoms that may present are: Confusion Unconsciousness Not being able to wake up normally Headache, prolonged headache Dizziness Blurred vision, dilation of the pupil, uneven eye movement Irritability, behavior and mood changes, agitation Difficulty remembering, paying attention or processing information Poor coordination Ringing in the ears Fatigue Weakness or numbness throughout the body, including in arms and legs These are some of the symptoms that may occur when a person suffers a traumatic brain injury. There is no one symptom or number of symptoms that must be present for there to be an injury, so it’s essential to seek medical care for diagnosis.