Migraine

General Medicine

Recurrent moderate-severe headache, unilateral, throbbing, with photophobia/phonophobia ± aura.

Risk factors

  • • Female, family history
  • • Stress, sleep change, OCP, menstruation

History taking

  • • 4–72 h, unilateral, pulsating, aggravated by activity
  • • Nausea, photo/phonophobia, aura

Examination

  • • General: vitals, pallor, icterus, oedema, lymphadenopathy
  • • Focused system examination
  • • Look for red-flag findings

Red flags

  • • Thunderclap onset, fever, focal neurology, age >50 first headache → image

Differential diagnosis

  • • See differentials section per chief complaint

Recommended investigations

  • • Clinical; MRI only if red flags

Diagnosis

  • • Clinical diagnosis supported by targeted investigations

Initial treatment / management

  • • Treat underlying cause
  • • Symptomatic relief
  • • Patient education

Drug therapy

  • • Acute: ibuprofen 400–600 mg or sumatriptan 50–100 mg PO
  • • Add metoclopramide 10 mg for nausea
  • • Prevent (≥4/month): propranolol 40–160 mg/day, topiramate 25–100 mg, amitriptyline 10–50 mg ON

Lifestyle advice

  • • Headache diary, sleep hygiene
  • • Trigger avoidance, hydration
  • • Limit acute meds to <10 days/month

Follow-up advice

  • • Review in 2–4 weeks or earlier if worsening
  • • Monitor response to therapy and adverse effects

Patient counselling

  • • Explain diagnosis and natural course in lay terms
  • • Red-flag symptoms warranting urgent return
  • • Adherence to medications and follow-up

Referral criteria

  • • Refer if diagnostic uncertainty, complications, or failure of first-line therapy

Clinical pearls

  • • Medication-overuse headache: stop triptans/opioids/caffeine

References

  • • Harrison's Principles of Internal Medicine, 21e
  • • NICE / WHO guidelines (current edition)

Educational outpatient guide — verify against local guidelines before clinical use.

WardRound

WardRound

Clinical Decisions in Seconds