Mild
A blow to the head can cause the brain to shift within the skull, resulting in damage to brain cells. Symptoms of a concussion may include light sensitivity, dizziness, fatigue, nausea, vision problems, memory issues, anxiety, irritability, emotional challenges, sleep disturbances, and headaches.
Moderate
A moderate traumatic brain injury (TBI) can lead to a lifetime of challenges, health complications, and the necessity for ongoing treatment. Symptoms may include loss of consciousness, persistent headaches, vomiting, nausea, convulsions, seizures, difficulty waking, loss of coordination, confusion, agitation, aggressive behavior, slurred speech, and even coma.
Severe
A severe traumatic brain injury (TBI) exhibits concerning symptoms, such as intense headaches, loss of vision, slurred speech, convulsions, dilated pupils, vomiting, numbness in the limbs, lack of coordination, agitation, confusion, loss of consciousness, coma, and potentially a vegetative state.