Pain in the region of the head and the neck is termed as a headache. It can occur as migraines, cluster headaches and tension-type headaches. Headaches may be caused due to a variety of reasons. Dehydration, fatigue, sleep deprivation, effects of drugs, infections and head injuries are some of these reasons. Most headaches are diagnosed on the basis of the clinical history itself. It is determined if a headache pertains to low-risk, benign or high-risk headaches. Although the management of headaches is based on its diagnosis, its treatment generally involves pain medication. This book is compiled in such a manner, that it will provide in-depth knowledge about the incidence of headaches and their underlying causes. It presents researches and studies performed by experts across the globe. For someone with an interest and eye for detail, this book covers the most significant topics in the evaluation and management of headache.