All in all, it is important to try to live a life as free of symptoms as possible. Presently, there exists no medication, exercise, or rehabilitation that can reduce the size of a herniated disc. Neither can physical therapy, massages, or electrotherapy offer a cure to reduce the size of a herniated disc. If you feel pain or numbness depending on your posture or the way you move, it may be because your nerves are irritated. All in all, it is important to try to live a life as free of symptoms as possible.