Cluster headache (CH) is considered a rare neurological disorder which brings excruciatingly severe pain on one side of the head spreading to into the temple, neck and jaw. The pain is usually centered on the eye area and escalates very rapidly in five to ten minutes. Attacks can last between fifteen minutes and three hours and stop as quickly as it starts. Despite the fact that there is still no cure for CH, there are treatments that can help you make attacks shorter and less severe. Moreover, there are also available preventive medications that can aid in reducing the number of cluster headaches. This informative books outlines the causes, tests and treatment options for this debilitating disorder.