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allodynia
other pain
Classification:
1) pain from stimuli which are not normally painful
2) pain which occurs other than in the area stimulated
3) tactile allodynia:
a) pain in response to light touch/pressure
b) pain in response to brushing
4) thermal (hot or cold) allodynia
- pain from normally mild skin temperatures in affected areas
Etiology:
1) peripheral neuropathy
2) postherpetic neuralgia
3) fibromyalgia
4) migraine
5) complex regional pain syndrome type 1 (reflex sympathetic dystrophy)
Pathology:
- neurogenic inflammation ? [2]
Epidemiology:
- more common in women than men
- prevalence diminishes with age [2]
Complications:
- headaches [2]
a) tension headaches
b) migraine headaches
- depression
- obesity ?
Management:
1) treatment of specific etiology
2) if specific etiology not apparent, consider treatment as:
a) neuropathic pain
b) reflex sympathetic dystrophy
c) fibromyalgia
Related
dysesthesia
pain [odyn-]
General
sign/symptom
References
- Stedman's Medical Dictionary 26th ed, Williams &
Wilkins, Baltimore, 1995
- Bigal ME, Ashina S, Burstein R, Reed mL, Buse D, Serrano D,
Lipton RB; AMPP Group.
Prevalence and characteristics of allodynia in headache
sufferers: a population study.
Neurology. 2008 Apr 22;70(17):1525-33.
PMID: 18427069
- Geriatric Review Syllabus, 8th edition (GRS8)
Durso SC and Sullivan GN (eds)
American Geriatrics Society, 2013
- Geriatric Review Syllabus, 11th edition (GRS11)
Harper GM, Lyons WL, Potter JF (eds)
American Geriatrics Society, 2022
- PainOnline: allodynia
http://www.painonline.org/allo.htm
- Wikipedia: Allodynia
http://en.wikipedia.org/wiki/Allodynia