Depending on the nature of the head injury and the extent of brain damage, symptoms of head injury can either be mild, moderate or severe. Some symptoms may be seen immediately following the brain injury while others might take several days or weeks to manifest.
Immediate, seen within seconds or minutes
- Loss of consciousness (In some instances, persons with head injury may remain conscious as well)
- Impaired attention, poor response to commands, speech without coherence
- Headache, confusion
- Disorientation and lack of co-ordination
The following symptoms may be seen within several hours, days or even weeks, following the accident. The presence of any of these symptoms warrants consultation with a neurologist.
- Nausea/ Vomiting
- Vision problems
- Ringing in the ears (Tinnitus)
- Fatigue, irritability, anxiety or depression
- Memory retention problems
- Lack of attention and concentration
- Inability to tolerate loud noise
- Sensitivity to bright light
- Sleep Disturbances
- Convulsions / Seizures
- Loss of sensation in the extremities.