- Loss of consciousness: A brain injury can cause a person to lose consciousness, ranging from a few seconds to several minutes or even hours. It may be accompanied by confusion or disorientation upon waking up. Prolonged loss of consciousness can be a sign of a severe brain injury.
2. Headaches: Headaches are a common symptom of a brain injury, and they can be severe and persistent. The headache may feel like a pressure or a tightness in the head, and it may get worse over time.
3. Confusion: A person with a brain injury may have difficulty processing information, concentrating, and making decisions. They may appear dazed, disoriented, or confused, and they may have trouble speaking or finding the right words to say.
4. Memory loss: Memory loss is another common symptom of a brain injury. The injured person may have difficulty remembering new information or events that occurred before the injury. They may also have difficulty recalling basic information such as their name, address, or phone number.
5. Nausea or vomiting: Nausea and vomiting are common symptoms that can occur after a head injury. These symptoms may be accompanied by dizziness or a feeling of lightheadedness.
6. Sensory changes: A brain injury can also cause changes in the way a person senses their environment. This can include changes in vision, hearing, or their sense of touch. For example, they may experience blurred vision, ringing in their ears, or tingling sensations in their limbs.
7. Mood changes: Brain injuries can also cause mood changes, such as irritability, anxiety, depression, or a sudden change in personality. The injured person may also become more emotional and cry or laugh for no apparent reason.
8. Seizures: Seizures can occur after a head injury, either immediately or later on. These can include convulsions, muscle twitches, or a loss of consciousness.
9. Loss of coordination: A brain injury can also affect a person’s coordination and balance. They may have difficulty walking or performing simple tasks, such as picking up objects.
10. Coma: In severe cases, a brain injury can cause a person to fall into a coma. A coma is a state of unconsciousness where the person is unable to respond to their environment. It can be life-threatening and requires immediate medical attention.