Anti-nauseants are often needed to relieve nausea that accompanies migraines.
Abortive medications are most effective when used at the first sign of a migraine to stop the process that causes the headache pain. By stopping the headache process, abortive medications help prevent the symptoms of migraines including pain, nausea, light-sensitivity, etc. Abortive medications work by constricting the blood vessels, bringing them back to normal and relieving the throbbing pain.