HEADACHE: Primary Headache Primary Usually episodic Secondary Usually constant No pattern Unilateral Primary Cough Headache Primary Exertional Headache Primary Stabbing Headache Migraine (Throbbing/Pulsating) OtherIn Clusters Bilateral Autonomic Cephalgias Last for minutes to hours. Separated by hours. Sudden onset. Other Last for seconds, separated by minutes to hours Tension/Stress Headache (Tightening, Band-Like, Dull) Cluster Headache (Orbital, Sharp, Autonomic Dysfunction) Hemicranial Continua Trigeminal Neuralgia (Shooting, stabbing)

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