Best Foods for Migraines | Dr. Neal Barnard

Headaches may be primary headaches, meaning they appear on their own and have no related conditions, or secondary headaches, which appear due to an underlying condition.
The International Classification of Headache Disorders helps classify over 150 types of primary and secondary headache disorders.
Some of the more familiar headaches include:
Migraine: Migraine causes intense throbbing pain in one area or side of the head or neck, along with other symptoms such as sensitivity to light and sound, nausea, and changes in vision.
Tension-type headache: A tension-type headache or stress headache causes mild to moderate dull pain. Some describe it as feeling as though there is a band tightened across their head.
Cluster headache: A cluster headache causes intense pain, generally on one side of the head or around one eye, and may occur with other symptoms such as nasal discharge or tearing eyes.
Sinus headache: A sinus headache is a secondary headache due to pressure buildup from inflammation. It typically occurs with other symptoms in the sinuses, such as congestion or runny nose, swelling in the face, and itchy eyes.
The frequency and severity of headache pain can vary greatly. The National Institute of Neurological Disorders and StrokeTrusted Source
 notes that some people may experience mild headache symptoms 1-2 times a year, while others experience headaches more than 15 days every month.