A Study of Combination Product (Sumatriptan Succinate and Naproxen Sodium) in Migraine Subjects Who Report Poor Response or Intolerance to Short Acting Triptans (Study 2 of 2)

This is a randomized, double-blind, placebo-controlled, crossover, two-attack, out-patient, early-intervention evaluation of subjects who have migraine with or without aura and who discontinued use of short acting triptan(s) within the past year due to non-response or intolerance. Subjects will treat 2 separate migraine attacks during the mild phase of each attack; one attack will be treated with one tablet of the Combination Product (sumatriptan succinate and naproxen sodium) and the other attack with one tablet of placebo (crossover design). \[Study 2 of 2\]