A common auto accident injury, whiplash is activated at least 24 hours after the auto accident and can cause considerable pain if it is not treated properly. Learn how to tell if pain after an auto accident could be whiplash, and how to get it treated effectively. What are Common Whiplash Symptoms? Whiplash is a type of neck strain that has many symptoms. Core symptoms that suggest your neck pain could be whiplash include migraines, headaches, vision problems, fatigue, reduced mobility, neck stiffness, and pain. If you experience any of these symptoms, it’s best to get checked out right away. Whiplash will not go away on its own. In fact, the.