What Distinguishes a Migraine from a Tension Headache?
A migraine is not a standard headache; it is a complex neurological disorder characterized by recurring episodes of moderate-to-severe unilateral throbbing pain, sensory hypersensitivity to light, sound, and smell, and autonomic nervous system dysfunction.
The 4 Stages of a Migraine Attack
- Prodrome (Pre-Headache): Hours or days before onset — food cravings, neck stiffness, frequent yawning, and fatigue.
- Aura: Experienced by approximately 25% of patients — visual disturbances like flashing zigzag lines, blind spots, or facial tingling lasting 20 to 60 minutes.
- Attack (Headache Phase): Throbbing, pulsating pain localized to one side of the head, worsened by physical movement, accompanied by intense nausea and photophobia.
- Postdrome (The "Migraine Hangover"): Exhaustion, dizziness, and cognitive sluggishness for 24 to 48 hours following pain resolution.
Common Migraine Triggers to Track in a Headache Diary
- Skipping meals or fasting (hypoglycemia triggers cortical spreading depression).
- Irregular sleep schedules — both sleep deprivation and oversleeping.
- Sensory overload — bright fluorescent lights, computer screen glare, loud noise, strong perfumes.
- Dietary triggers — aged cheese (tyramine), artificial sweeteners (aspartame), monosodium glutamate (MSG), and excessive caffeine withdrawal.
- Hormonal fluctuations in women during the premenstrual phase.
Modern Acute Rescue & Preventive Medications
- Acute Rescue: Triptans (Sumatriptan, Zolmitriptan) taken at the earliest onset of the headache phase; avoid frequent overuse (>10 days/month) to prevent medication-overuse headaches (MOH).
- Prophylactic Prevention: Beta-blockers (Propranolol), Topiramate, Flunarizine, and modern anti-CGRP monoclonal antibodies (Erenumab, Galcanezumab) for chronic migraine sufferers.
Red Flag Warning: A sudden, explosive, severe headache that reaches peak intensity within seconds ("thunderclap headache") requires emergency neuro-imaging to rule out subarachnoid hemorrhage.
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