A compound consisting of a compound whose helix oxygen is equal to (s) - 1 '- [5 - (trifluoride) furan-2-il] methyl], helix [furo [2, 3-F] [1.3], benzodioxol-7, 3' - indol] - 2 '(1'h) - ona. It also includes antioxidants, such as hydroxybutadiene, solvents, such as oily alcohol or isopropylmirex. This ingredient is useful in bacteria that pass through the sodium channel, such as neuralgia, surgical pain, and nerve failureREFERIDA A UNA COMPOSICION QUE COMPRENDE UN COMPUESTO ESPIRO-OXINDOL TAL COMO (S)-1'-{[5-(TRIFLUOROMETIL)FURAN-2-IL]METIL}ESPIRO[FURO[2,3-f][1,3]BENZODIOXOL-7,3'-INDOL]-2'(1'H)-ONA. TAMBIEN COMPRENDE AGENTES ANTIOXIDANTES TAL COMO HIDROXITOLUENO BUTILADO, UN SOLVENTE TAL COMO ALCOHOL OLEILICO O MIRISTATO DE ISOPROPILO. DICHA COMPOSICION ES UTIL EN ENFERMEDAS MEDIADAS POR LOS CANALES DE SODIO TALES COMO DOLOR NEUROPATICO, DOLOR QUIRURGICO, NEURALGIA DEL TRIGEMINO, ENTRE OTRAS