A concussion is a brain injury that interferes with brain function temporarily. Concussions are typically caused by some sort of trauma to the head. The severity of a concussion can vary widely from mild to very serious.
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Onset and Duration of Symptoms
Concussion symptoms may not appear immediately following head trauma. Once symptoms do appear, they may last for days or weeks.
Early Neurological Symptoms
A person with a concussion may suffer from memory loss, confusion and dizziness. In addition, his speech may be slurred.
Early Physical Symptoms
A concussion may cause a headache and ringing inside the ears. Also, some individuals with a concussion may experience nausea and vomiting, or may feel fatigued.
Some individuals may experience delayed concussion symptoms hours or days after suffering a head injury. Delayed symptoms may include light sensitivity, noise sensitivity, sleep problems, difficulty concentrating, memory deficits, depression and irritability.
Individuals who suspect they may have a concussion should consult a physician. The physician may recommend taking Tylenol or other medications for headaches. Individuals with a concussion should rest to allow the brain time to heal and should avoid engaging in contact sports for a week or more.
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