I can't tell if i get migraines or clusters. the headaches arelike clusters, but with the length, light sensitivity and nauseaof a migraine. what should i do?

Headache: It doesn't matter because most of the medications to prevent different kinds of headaches are the same.

Migraine vs Cluster: Cluster headaches usually occur for a short duration, multiple times in a confined period of time. Then you would go weeks or months before experiencing a cluster of headaches again. Migraines are very often related to a food trigger, menstruation, or sometimes change in barometric pressure. The headache is usually one sided, throbbing, and can be associated with nausea and light sensitivity.

Migraines: Cluster headaches are most common in males in their third and fourth decades. They are characterized by repetitive headaches of excruciating intensity. They can occur over 50 times a day. They disrupt a mans life to the degree that it often leads to suicide. A 16 year old female with your symptoms very likely has migraines. Migraines are controllable get specialist care to get correct treatment.