The Primary Headache Disorders comprise Migraine, Tension-type headaches and Cluster Headaches.

Migraine

• The second most common form of headache
• Often described as recurrent throbbing or pulsating, moderate to severe, and often unilateral pain
• Episodic migraine, occurring on fewer than 15 days per month
• Chronic migraine headache, occurring on more than 15 days per month
• Lasting 4–72 hours

Tension-type headaches

• The most common primary headache disorder
• Episodic tension-type headache, occurring on fewer than 15 days per month
• Chronic tension-type headache, occurring on more than 15 days per month
• It may be stress-related or associated with musculoskeletal problems in the neck
• This headache is described as pressure or tightness, lasting 30-minutes to continuously

Cluster headaches

• Cluster headaches are more common in young men who smoke
• The pain is described as excruciating, often ‘suicidal headaches’
• Chronic tension-type headache, occurring on more than 15 days per month
• On side of the headache, patients experience red and/or watery eye, nasal congestion, swollen eyelid, forehead and facial sweating, constricted pupil and/or drooping eyelid
• Associated with restlessness and agitation
• The attacks last between 15-180 minutes

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