I get headaches more than 2x a week, when i get a migraine and it hurts to the point i get sick. what can cause this?

Migraine symptoms: The medical definition of migraine is a headache that occurs periodically lasting 4-72 hours and that is associated with at least 2 of the following features, one side of the head is worse, pulsating quality, moderate to severe 5-10/10 pain, nausea and/or vomiting, sensitivity to light, sound, movement, and aggravated by even simple activity. Vomiting is common. Migraine is treatable. See Dr ASAP.