Of those patients who undergo BOTOX or surgical release, 80% report symptom improvement ranging from a decrease in intensity or frequency of headaches to a complete cure. It is impossible to know who will be completely symptom free, or how much of an improvement in symptoms can be expected for an individual, but certain factors such as anatomy, response to therapeutic BOTOX, and other medical problems can help you and Dr. Gerstle devise a reasonable expectation for your situation.