Migraine

Neurology

Overview

Definition

Primary headache disorder characterized by recurrent throbbing headaches.

Epidemiology

Affects ~15% of the population, more common in females.

Etiology & Risk Factors

  • Cortical spreading depression
  • Trigeminovascular system activation

Clinical Symptoms

  • Unilateral throbbing pain
  • Photophobia
  • Phonophobia
  • Nausea/Vomiting
  • Aura

Clinical Approach

Diagnosis

  • Clinical diagnosis (ICHD-3 criteria)

Management

  • Abortive: Triptans, NSAIDs
  • Preventive: Propranolol, Topiramate, CGRP antagonists

Complications

  • Chronic migraine
  • Medication overuse headache