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Concussion is temporary loss of awareness or consciousness caused by a blow to the head.
Symptoms
Symptoms may include blurred vision, headaches, nausea, dizziness, and loss of consciousness.
Treatment
A person who becomes concussed playing sport should leave the field immediately and be monitored closely.
Persistent vomiting, an increasingly painful headache, unconsciousness lasting more than 5 minutes or a post-traumatic seizure or fit are signs that indicate that the person should be taken to hospital immediately.
The player should be supervised as symptoms subside and must rest and not drink alcohol or take drugs, or drive.
