Primary Headaches

• Tension (TTH): Bilateral, dull bandlike pressure. No nausea. Tx: NSAIDs. Prev: Amitriptyline.
• Migraine: Unilateral throbbing, ± aura. Triggers: stress, red wine. Acute: Triptans (sumatriptan; contraindicated in CAD, ischemic stroke, uncontrolled HTN). Prev: Topiramate, β-blockers, Botox.
• Cluster: Severe unilateral orbital pain in clusters. ptosis, tearing. Tx: High-flow 100% O2 (7-12 L/min), triptans. Prev: Verapamil.
• Medication Overuse (MOH): Daily headache from analgesic overuse. Tx: Stop drug.

Seizure Disorders

• Def: ≥2 unprovoked seizures >24h apart.
• Classes: Generalized (bilateral hemispher ...