The present invention relates to method of enhancing the absorption of migraine medications and thereby treating migraines by co-administering to a subject in need thereof an effective amount of a ghrelin mimetic or pharmaceutically acceptable salt, hydrate or solvate thereof and at least one migraine medication selected from a serotonin 5-HT1B/1D receptor agonist, a tryptamine derivative, an ergoline derivative, a non-steroidal anti-inflammatory drug, or an analgesic, or any combination thereof.