Subjects were provided with a diary to record frequency, duration and intensity of their attacks, as well as the use of the analgesic during the whole study period. The intensity of the pain was evaluated with the analogous scale of pain, which has shown to be highly profitable and effective. The pain was stratified in a scale from zero (no pain) to ten (the most intense pain that the subject has undergone by at least one second). The diaries used were the typical ones, which have shown a high effectiveness and that only require an entrance per migraine. The patients were classified as responders if one month after having received any of the therapies, they had a reduction equal or greater to 50% in the frequency of episodes of migraine.