Can random sharp pains in the head be from previous injury?

Yes, random sharp pains in the head can sometimes be a result of a previous injury, such as a concussion or other traumatic brain injury. These types of injuries can cause changes in the brain's structure and function, which can lead to a variety of symptoms, including headaches, dizziness, memory problems, and difficulty concentrating. In some cases, these symptoms can persist for months or even years after the initial injury. If you are experiencing random sharp pains in the head and you have a history of a previous head injury, it is important to see a doctor to rule out any underlying medical conditions.