| Summary: | Chronic daily headache relates to the daily or almost
daily occurrence of headache in a nonparoxysmal pattern. In this
review, I discuss the presentation, development, outcome, and
treatment of chronic daily headache. In the context of the
development of chronic daily headache, a headache continuum is
presented along with its underlying pathophysiology. The
treatment section covers rebound headache, analgesic and
vasoconstrictor withdrawal, and the use of long-acting opioids
in intractable patients. The review concludes with a discussion
of hemicrania continua, an indomethacin-responsive headache
syndrome.
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