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Revista de la Sociedad Española del Dolor

Print version ISSN 1134-8046


PARIENTE JUSTE, L. et al. Results of the capsaicin 8% patch in craniofacial application in five clinical cases. Rev. Soc. Esp. Dolor [online]. 2016, vol.23, n.5, pp.238-242. ISSN 1134-8046.

The capsaicin 8 % patch is a secondary line alternative to neuropathic peripheral pain treatment. Although it has few secondary effects, is not indicated in head and facial treatment due to the possibility of the irritation of mucosa. We have only found three publications related with the patch application in those locations, describing 7 clinical cases. We have analyzed 4 cases in which we have applied 5 patches in total. There were 3 women (repeating the application in one of them) and 1 man, between 58 and 84 years old, with the following diagnosis: caustic necrosis in the inferior lip after dental cleaning, trigeminal neuralgia and post-herpetic neuropathy. Inefficacy of other treatments was confirmed, and after that, the capsaicin 8 % patch was proposed. Informed consent of the application of the patch at day clinic and treatment out of technical data sheet were previously signed. Before the patch was applied to the painful cutaneous area, we proceed with ocular protection of both eyes with surgical ophthalmic patch and oral and nasal mucosa protection with surgical mask hermetically seal. That protection was maintained during the whole application of the patch, and was removed once the capsaicin patch was taken off and the application area was cleaned. There were only 3 mild secondary effects of the total 5 applications: one patient showed erythematic skin that was resolved spontaneously, another patient related burn and pain sensation which was solved with endovenous analgesia. Finally, another patient explained mild pain well tolerated, that was resolved also spontaneously. In no cases there were secondary effects in mucosa. Related with the results, 2 patients felt improvement between one and two months, applying again the patch in one of them, not reaching this time relief in the pain. The other 2 patients did not notice any change. The capsaicin 8 % patch treatment in head and facial-areas seems to have similar efficacy as the application in other skin-areas. Secondary effects in these surfaces are very low, the same as in other corporal locations. We believe that with the adequate preventive measures in head and facial areas, clinical utility observed with capsaicin 8 % patch places it as another treatment option for neuropathic pain, with no complications added. However, clinical studies with a higher number of patients should carry on to confirm these findings.

Keywords : Capsaicin; craniofacial; patch; mucosa; neuropathic.

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