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Some mild TBI and concussion symptoms may appear right away, while others may not appear for hours or days after the injury. Symptoms generally improve over time, and most people with a mild TBI or concussion feel better within a couple of weeks. Symptoms of mild TBI and concussion may affect how you feel, think, act or sleepSymptoms of mild TBI and concussion are different for each person. Symptoms may change during recovery. For example, you may have headaches and feel sick to your stomach earlier on. A week or two after your injury you may notice you feel more emotional than usual or have trouble sleeping. PhysicalBothered by light or noise Dizziness or balance problems Feeling tired, no energy Headaches Nausea or vomiting (early on) Vision problems Thinking and RememberingAttention or concentration problems Feeling slowed down Foggy or groggy Problems with short- or long-term memory Trouble thinking clearly Social or EmotionalAnxiety or nervousness Irritability or easily angered Feeling more emotional Sadness SleepSleeping less than usual Sleeping more than usual Trouble falling asleep Complications and when to seek help Symptoms may be difficult to sort out as they are similar to other health problems After a mild TBI or concussion: A person may not recognize or admit that they are having problems A person may not understand how the symptoms they are experiencing affect their daily activities Problems may be overlooked by the person with a mild TBI or concussion, their family members, or their healthcare provider Seek immediate emergency medical care if you have danger signsDanger signs in adults In rare cases, a dangerous blood clot that crowds the brain against the skull can develop. The people checking on you should call 9-1-1 or take you to an emergency department right away if you: Have a headache that gets worse and does not go away Experience weakness, numbness, decreased coordination, convulsions, or seizures Vomit repeatedly Have slurred speech or unusual behavior Have one pupil (the black part in the middle of the eye) larger than the other Cannot recognize people or places, get confused, restless, or agitated Lose consciousness, look very drowsy or cannot be woken up Danger signs in children Call 9-1-1 or take your child to the emergency department right away if they received a bump, blow, or jolt to the head or body, and: Have any of the danger signs for adults listed above Will not stop crying and are inconsolable Will not nurse or eat (责任编辑：) |