Better Health Center Newsletter - May 2008
Headaches can be classified into two categories:
Tension–type headaches usually involve a steady ache, rather than a throbbing one, and are described as a feeling of pressure or tightening, may last minutes to days, affect both sides of the head, and and do not worsen with routine physical activity. Other symptoms may be photophobia or phonophobia (hypersensitivity to light and noise, respectively). Nausea is usually absent.
Causes of Tension Headaches?
Cervicogenic headaches originate from disorders of the neck and is recognized as a referred pain in the head.
Technical Explanation:
Primary sensory afferents (nerves that conduct signals to the brain) from the cervical nerve roots C1–C3 (cervical vertebrae, in the neck) converge with afferents from the occiput (back part of the skull) and trigeminal afferents (the fifth pair of cranial nerves, which divide on each side of the head into three main branches distributed to the orbits, jaws, and parts of the mouth; trifacial) on the same second order neuron in the upper cervical spine.
As a consequence, the body parts supplied with sensory input from the nerves of the cervical roots C1–C3 are potential sources of cervicogenic headache. Common causes of cervical headache are neck movements and/or sustained awkward head positionings, for example:
If you hold your head in an awkward position, repetitively, or often, this produces pressure over the upper neck or the back of the head on the symptomatic side.
A cervicogenic headache is often accompained by restricted cervical range of motion (motion in the neck area), ipsilateral (the effect is produced on the same side of the body where the stimulus arose) neck, shoulder, or arm pain of a rather vague non-radicular nature or, occasionally, arm pain of a radicular nature. Radicular is the nerve root, itself.
Migraine headaches are less common than tension–type headaches, but affect 25 to 30 million people in the United States. As many as 6% of all men, and up to 18% of all women experience a migraine headache at some time in their lives.
One of the most distinguishing features of a migraine is the potential disability that accompanies the headache pain. Other features are:
Usually, migraine attacks are occasional, or sometimes as often as once or twice a week, but rarely occur daily.
Cluster headaches are relatively rare, affecting about 1% of the population, and are distinct from migraine and tension–type headaches. Most cluster headache sufferers are male - about 85%.
Cluster headaches come in groups, or clusters, lasting weeks or months. The pain is extremely severe but the attack is brief, lasting no more than a hour or two. The pain centers around one eye, and this eye may be inflamed and watery. There may also be nasal congestion on the affected side of the face.
These "alarm clock" headaches may strike in the middle of the night, and often occur at about the same time each day during the course of a cluster. A history of heavy smoking and drinking is common, and alcohol often triggers attacks.
The American Chiropractic Association (ACA) suggests the following:
Chiropractic Care for headaches may include all or one of the following:
If your headache is symptomatic of a health problem that needs the care of another discipline, your doctor of chiropractic will refer you to an appropriate specialist.
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