Physical Headache Nausea Vomiting Blurred or double vision Seeing stars or lights Balance problems Dizziness Sensitivity to light or noise Tinnitus

Behavioural or emotional Drowsiness Fatigue or lethargy Irritability Depression Anxiety Sleeping more than usual Difficulty falling asleep

Cognitive Feeling “slowed down” Feeling “in a fog” or “dazed” Difficulty concentrating Difficulty remembering

Adapted from Willer and Leddy.⁶