Headaches are a common problem that can be disabling. The clinical fea
tures and treatment of migraine, cluster, and tension headaches are pr
esented in this article. Emphasis is placed on the newer drugs availab
le for acute and prophylactic treatment of these headaches. Features o
f headaches associated with intracranial aneurysms, temporal arteritis
, cerebrovascular accidents, brain tumors, and temporomandibular disor
ders are also discussed.