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Related Experiment Video

Updated: Nov 5, 2025

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Hemicrania Continua: An Update.

Sanjay Prakash1, Kalu Singh Rawat1

  • 1Department of Neurology, Smt. B. K. Shah Medical Institute and Research Centre, Sumandeep Vidyapeeth, Piparia, Waghodia, Vadodara, Gujarat, India.

Neurology India
|May 18, 2021
PubMed
Summary
This summary is machine-generated.

Hemicrania continua (HC) is often misdiagnosed. Key diagnostic features include continuous background pain and a positive response to indomethacin, crucial for accurate identification and treatment.

Keywords:
Hemicrania continuaindomethacintrigeminal autonomic cephalalgias

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Area of Science:

  • Neurology
  • Headache Medicine

Background:

  • Hemicrania continua (HC) is a recognized clinical headache disorder.
  • Recent case series highlight its prevalence in headache clinics.

Observation:

  • HC affects 1.7% of clinic patients, characterized by continuous unilateral pain with exacerbations.
  • Associated symptoms include autonomic features and restlessness.
  • The continuous background pain is the hallmark, often mild and overlooked, leading to misdiagnosis.

Findings:

  • Exacerbations mimic other primary headaches and neuralgias.
  • Approximately 75 secondary HC cases linked to 29 pathologies exist.
  • Indomethacin responsiveness is a diagnostic criterion, though other drugs may help; pain recurs upon dose omission.

Implications:

  • Misdiagnosis of HC is common due to varied presentations.
  • Accurate diagnosis relies on identifying continuous background pain and indomethacin response.
  • Understanding HC's features aids timely and correct patient management.