Cited by 802Pain Mechanisms and TreatmentsPain Management and TreatmentMusculoskeletal pain and rehabilitation

Neuropathic pain: mechanisms and their clinical implications

Cohen, S. P., Mao, J.·2014·BMJ

Abstract

Neuropathic pain can develop after nerve injury, when deleterious changes occur in injured neurons and along nociceptive and descending modulatory pathways in the central nervous system. The myriad neurotransmitters and other substances involved in the development and maintenance of neuropathic pain also play a part in other neurobiological disorders. This might partly explain the high comorbidity rates for chronic pain, sleep disorders, and psychological conditions such as depression, and why drugs that are effective for one condition may benefit others. Neuropathic pain can be distinguished from non-neuropathic pain by two factors. Firstly, in neuropathic pain there is no transduction (conversion of a nociceptive stimulus into an electrical impulse). Secondly, the prognosis is worse: injury to major nerves is more likely than injury to non-nervous tissue to result in chronic pain. In addition, neuropathic pain tends to be more refractory than non-neuropathic pain to conventional analgesics, such as non-steroidal anti-inflammatory drugs and opioids. However, because of the considerable overlap between neuropathic and nociceptive pain in terms of mechanisms and treatment modalities, it might be more constructive to view these entities as different points on the same continuum. This review focuses on the mechanisms of neuropathic pain, with special emphasis on clinical implications.

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Crossref · 10.1136/bmj.f7656

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Authors
Cohen, S. P., & Mao, J.
Affiliations
  • Johns Hopkins University (US)
  • Harvard University (US)
Corresponding author
Cohen, S. P.
Venue
BMJ
Publisher
BMJ
Published
2014-02-05
Volume
348
Issue
feb05 6
Pages
f7656-f7656
ISSN
1756-1833 (ISSN-L)
OpenAlex
W2127298360
Cited by
802
References
105
Citations by year
2026: 49 · 2025: 76 · 2024: 86 · 2023: 81 · 2022: 83 · 2021: 82 · 2020: 83 · 2019: 63 · 2018: 55 · 2017: 50 · 2016: 40 · 2015: 33 · 2014: 20 · 2013: 1
FWCI
32.58
Type
journal article
Language
en
Open access
closed
Locations
  • BMJ (publishedVersion)
  • PubMed (publishedVersion)
  • HighWire Press Open Archive (submittedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Pain Mechanisms and Treatments
  • Health Sciences › Medicine › Anesthesiology and Pain Medicine › Pain Management and Treatment
  • Health Sciences › Medicine › Pharmacology › Musculoskeletal pain and rehabilitation
Keywords
neuropathic pain, pain mechanisms, nerve injury, central sensitization, descending pain modulation, neurotransmitters, chronic pain, sleep disorders, depression, opioids, nonsteroidal anti-inflammatory drugs, nociceptive pain, comorbidities
MeSH terms
Animals, Humans, Neuralgia, Neuroglia, Spinal Cord, Cytokines, Nociceptive Pain

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