RT Journal Article SR Electronic T1 Management of primary headache: Serendipity and science JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 904 OP 912 VO 68 IS 11 A1 Glen D. Solomon YR 2001 UL http://www.ccjm.org/content/68/11/904.abstract AB Most patients find some relief with current agents, even though a poor understanding of the causes of chronic primary headache limits prophylaxis and treatment. The author reviews current preventive and treatment strategies for migraine, chronic tension headache, cluster headache, and substance withdrawal headache.