What are cluster headaches from?

See below: Unlike migraine and tension headache, cluster headache generally isn't associated with triggers, such as foods, hormonal changes or stress. But once a cluster period begins, consumption of any alcohol can quickly trigger a splitting headache. The exact cause of cluster headaches is unknown, but abnormalities in the hypothalamus likely play a role.
Definition. A cluster headache is one-sided head pain that may involve tearing of the eyes and a stuffy nose. Attacks occur regularly for 1 week to 1 year, separated by long pain-free periods that last at least 1 month, possibly longer. From medicineplus website. You should research and see a doctor to hopefully discover what kind of headache you have and how to treat.