What is the cause of an upset stomach with nausea and headache which is reacurring every so often?

Migraine? Headache associated with gastrointestinal symptoms of nausea and discomfort are often of the migraine variety. Headaches do not have to throb or be confined to one side of the head to be migraine. Read more about migraine online or at the library or see you personal doctor for a more comprehensive history and physical examination. You'll find it worthwhile.