Abstract
Headache is a common complaint and is often benign. When patients with cancer describe new headaches, it is important to ensure that there are no emergent or concerning etiologies, including metastatic disease. This review article details primary and secondary headaches. Red flags-the do-not-miss warning signs-are described. An initial approach to the evaluation, including suggestions for imaging, features to look for in a targeted examination, and when to request a consultation, is outlined. An overview of headache etiologies is described with a particular emphasis on the most common types: migraine and tension. The classification of headaches, based on criteria from the International Classification of Headache Disorders (3rd edition; beta version), is reviewed. Medications used for treatment, including newer biological agents, are described, and there are details about both abortive and preventive medication therapies. Suggestions for complementary and integrative therapies, some of which may be synergistic in treating other cancer symptoms, are outlined; they include mindfulness therapies, which are gaining traction in treating a variety of medical conditions. Readers should have an understanding of headache evaluation in patients with cancer and should know how to formulate a plan for a diagnosis. In addition, readers will gain familiarity with common treatments, both pharmacological and complementary/integrative.
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