How is migraine headache diagnosed?

Updated: Oct 21, 2019
  • Author: Jasvinder Chawla, MD, MBA; Chief Editor: Helmi L Lutsep, MD  more...
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Migraine is a clinical diagnosis. Diagnostic investigations are performed for the following reasons:

  • Exclude structural, metabolic, and other causes of headache that can mimic or coexist with migraine

  • Rule out comorbid diseases that could complicate headache and its treatment

  • Establish a baseline for treatment and exclude contraindications to drug administration

  • Measure drug levels to determine compliance, absorption, or medication overdose

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