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Nociception—the ability to feel pain—is essential for an organism’s survival and overall well-being. Noxious stimuli such as piercing pain from a sharp object, heat from an open flame, or contact with corrosive chemicals are first detected by sensory receptors, called nociceptors, located on nerve endings. Nociceptors express ion channels that convert noxious stimuli into electrical signals. When these signals reach the brain via sensory neurons, they are perceived as pain.
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Related Experiment Video

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[Management of neuropathic pain].

P Lozeron1, N Kubis1

  • 1Service de physiologie clinique, hôpital Lariboisière, AP-HP, 2, rue Ambroise-Paré, 75010 Paris, France; CART, Inserm U965, université Paris Diderot, Sorbonne Paris Cité, 75010 Paris, France.

La Revue De Medecine Interne
|May 11, 2015
PubMed
Summary

Neuropathic pain identification and treatment are crucial. The DN4 scale aids diagnosis, guiding effective pharmacological and non-pharmacological therapies for better patient outcomes.

Keywords:
AntidepressantAntidépresseursAntiepileptic drugsAntiépileptiquesDouleur neuropathiqueNeuropathic painOpiacésOpioidsTraitementTreatment

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Area of Science:

  • Neurology
  • Pain Medicine

Context:

  • Neuropathic pain is frequently underestimated and inadequately managed.
  • The DN4 scale offers a valuable tool for identifying neuropathic pain.
  • Effective management requires both pharmacological and non-pharmacological approaches.

Purpose:

  • To highlight the importance of accurate neuropathic pain identification using the DN4 scale.
  • To discuss current pharmacological treatments and therapeutic strategies.
  • To emphasize the need for patient-centered care and specialized interventions.

Summary:

  • Neuropathic pain mechanisms involve nociceptive pathway hyperexcitability or reduced descending inhibitory controls.
  • First-line treatments include antidepressants (TCAs, SNRIs) and antiepileptics (α2δ calcium channel blockers), offering partial efficacy.
  • A stepwise therapeutic strategy, starting with monotherapy tailored to patient needs, is recommended, with clear patient communication being essential.

Impact:

  • Improved identification and management of neuropathic pain can enhance patient quality of life.
  • Addressing the impact on professional, social, and family integration is vital.
  • Referral to specialized centers for resistant cases and exploration of novel therapies are crucial for advancing care.