Whiplash is a neck injury due to forceful, rapid back-and-forth movement of the neck. Whiplash most often occurs during a rear-end collision when driving an automobile, but the damage can also occur during athletic injuries. Signs and symptoms of whiplash typically begin within 24 hours of the accident or injury. You should watch for any of these symptoms: neck pain stiffness headache fatigue dizziness blurred vision ringing in ears memory problems Those who have an auto inju