An open-label, randomized, 3-period crossover study to evaluate sumatriptan pharmacokinetics for a TREXIMA™ (sumatriptan succinate / naproxen sodium) Tablet followed by IMITREX® (sumatriptan succinate) Injection 4mg administered using the IMITREX STATdose System® and a TREXIMA tablet followed by IMITREX® (sumatriptan succinate) Injection 6mg administered using the IMITREX STATdose System® compared with an IMITREX Tablet 100mg followed by an IMITREX Tablet 100mg.