Symptoms

Concussion Symptoms

A concussion is an injury to the head that causes instant loss of awareness or alertness for a few minutes up to a few hours after the injury.

Mild concussion

Seek immediate attention if there is a cut or raised bump at the impact site, which may also be accompanied by these symptoms:

• Blurred vision
• Change in sleep patterns or lethargy
• Dizziness, lightheadedness, problems with balance
• Headache
• Irritability and confusion
• Nausea or change in sense of taste
• Problems with memory or concentration
• Sensitivity to noise and light
• Tinnitus (ringing in the ears)

Moderate or severe concussion

Seek immediate attention if the head injury also includes these symptoms:

• Blood or clear fluid draining from ears or nose
• Difficulty walking or speaking
• Loss of consciousness or coma
• Open wound or object penetrating the head
• Repeated vomiting
• Seizure or vegetative state
• Severe headache that does not go away
• Short-term memory loss
• Uneven pupils