| abstract |
The present invention provides a microneedle preparation which can be applied to an oral cavity easily, exerts an anesthetic effect suitable for a site of application, and has excellent stability.　Provided is a quick-acting local anesthetic preparation for dental use, which comprises a microneedle array containing ethyl aminobenzoate, in which the content of ethyl aminobenzoate in the microneedle array is 5 to 30% by mass, ethyl aminobenzoate and polyvinylpyrrolidone coexist in the microneedle array, and ethyl aminobenzoate is dissolved or is uniformly dispersed in the microneedle array. |