Cluster headaches are rare, extremely painful and debilitating headaches that occur in groups or clusters. They often appear during seasonal changes. They are also described as suicide headaches, a reference to the excruciating pain and resulting desperation that has culminated in actual suicide.
A migraine is a form of vascular headache. Migraine headache is caused by a combination of vasodilatation (enlargement of blood vessels) and the release of chemicals from nerve fibers that coil around the blood vessels. During a migraine attack, the temporal artery enlarges. (The temporal artery is an artery that lies on the outside of the skull just under the skin of the temple.) Enlargement of the temporal artery stretches the nerves that coil around the artery and cause the nerves to release chemicals. The chemicals cause inflammation, pain, and further enlargement of the artery. The increasing enlargement of the artery magnifies the pain.
edit Signs and symptoms:
edit Cluster Headaches
- Deep stabbing pain around the temple or the eye which is usually unilateral.
- Stuffy or runny nose
- Tearing or redness in eyes, droopy eyelids
- Moderate to severe, throbbing head pain.
- Most commonly one sided pain; less frequently both sides of the head are affected
- Pain located near the eye on affected side
- Pain that worsens with physical activity
- Sensitivity to light and/or sound
- Nausea or vomiting
- Debilitating pain that hinders daily activities
edit Pain and Other symptoms
- Pain during cluster headaches is far worse, significantly more severe than a migraine.
- Cluster headaches are frequently associated with Horner's syndrome, ptosis (drooping eyelids), conjunctival injection (which results in red, watery eyes), lacrimation (tearing), miosis (constricted pupil), eyelid edema, nasal congestion, rhinorrhea (runny nose), and sweating on the affected side of the face. The neck is often stiff or tender in association with cluster headaches afterwards, and jaw and teeth pain are sometimes reported.
- Sensitivity to light is more typical of a migraine, as is vomiting, but both can be present in some sufferers of cluster headache, although rare.
- It has been known to strike at the same time each night or morning, often at precisely the same time during the day a week later.
While migraines are diagnosed more often in women, cluster headaches are diagnosed more often in men. The male-to-female ratio in cluster headache ranges from 4:1 to 7:1. It primarily occurs between the ages of 20 to 50 years.
First-degree relatives of sufferers are more likely to have the condition than the population at large.
edit Cluster Headaches
- Nitroglycerin (glyceryl trinitrate)
- Hydrocarbons (petroleum solvents, perfume)
- Heat and napping may also act as a trigger.
- Significant change in sleep or work schedules, with resulting decrease in sleep and REM
According to the National Library of Medicine's Medical Encyclopedia, Migraine attacks may be triggered by:
- Allergic reactions
- Bright lights, loud noises, and certain odors or perfumes
- Changes in sleep patterns
- Smoking or exposure to smoke
- Skipping meals
- Menstrual cycle fluctuations, birth control
- Foods containing tyramine (red wine, aged cheese, smoked fish, chicken livers, figs, and some beans), monosodium glutamate (MSG), or nitrates (like bacon, hot dogs, and salami)
- Other foods such as chocolate, nuts, peanut butter, avocado, banana, citrus, onions, dairy products, and fermented or pickled foods
The diagnosis of migraine without aura, according to the International Headache Society, can be made according to the following criteria, the "5, 4, 3, 2, 1 criteria":
- 5 or more attacks
- 4 hours to 3 days in duration
- 2 or more of - unilateral location, pulsating quality, moderate to severe pain, aggravation by or avoidance of routine physical activity
- 1 or more accompanying symptoms - nausea and/or vomiting, photophobia, phonophobia
- Harrison’s Principles of Internal Medicine (1998 edition)
- Current Medical Diagnosis and treatment 2004 , Lange publications