Tension-type headache
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Synopsis
Tension headaches can be characterized as episodic or chronic. Infrequent episodic tension headaches occur on average once per month or less. Frequent episodic tension headaches occur more than once per month but less than 15 days per month. If tension headaches occur more frequently than 15 days per month, they are categorized as chronic tension headaches.
Tension headaches are the most common type of headache. Episodic tension headaches are common, occurring in 30%-78% of the population. Chronic tension headaches are less common, with a prevalence of about 2% of the population. Tension headaches occur slightly more frequently in females, with a female-to-male prevalence ratio of 1.16 to 1.
The pathogenesis of tension headaches is not fully known. One theory is that tension headache patients experience increased central sensitization to pain. Another theory is that increased sensitivity of myofascial nociceptors in the periphery may contribute to development of tension headaches. Changes in stress or sleep patterns may trigger tension headaches.
Codes
ICD10CM:G44.209 – Tension-type headache, unspecified, not intractable
SNOMEDCT:
398057008 – Tension-type headache
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Differential Diagnosis & Pitfalls
- Migraine headache
- Caffeine withdrawal headache
- Medication withdrawal headache
- Medication-induced headache
- Cervicogenic headache
- Sinus headache (see sinusitis)
- Hypertensive headache
- Pseudotumor cerebri
- Intracranial mass
- Temporal arteritis
- Sinus thrombosis
- Arterial dissection (eg, carotid artery dissection)
- Post-concussive headache
- Carbon monoxide poisoning
- Dehydration
- Sleep apnea
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Last Reviewed:03/01/2018
Last Updated:04/18/2018
Last Updated:04/18/2018