Cluster headaches

, ,

Bouts of frequent attacks, known as cluster periods, may last from weeks to months, usually followed by long periods of relief (remission). During remission, attacks may stop for months or years.

Overview

Pain is severe on one side of the head, accompanied by symptoms such as nasal discharge or red or tearing eyes.

Symptoms

Injected medications, inhaled oxygen, steroids, and preventive medications can help.

, Treatments