A migraine is a type of headache is characterized by severe throbbing pain or a pulsing sensation on one side of the head, nausea, and vomiting.
A headache is defined as pain in the head or upper neck. The most common symptom of a headache is head or face pain. It might be throbbing, sharp, or dull.
Encephalitis is a serious, potentially life-threatening condition that occurs when the brain becomes inflamed. It is most often caused by a virus, such as HSV.
A brain tumor is a mass or growth of abnormal cells in the brain. Brain tumors can be cancerous or noncancerous, mostly begin in the brain cells or the nerves.