Study to Evaluate the Efficacy and Safety of Oral Sumatriptan for the Acute Treatment of Migraine in Children and Adolescents

One Sumatriptan 25mg tablet and one Matching Placebo tablet should be administered as soon as possible (within 30 minutes) after the development of a migraine associated with 3 or more pain on a 5-grade scale.

Two Sumatriptan 25mg tablets should be administered as soon as possible (within 30 minutes) after the development of a migraine associated with 3 or more pain on a 5-grade scale.

Two Matching Placebo tablets should be administered as soon as possible (within 30 minutes) after the development of a migraine associated with 3 or more pain on a 5-grade scale.