Patent Number: 6,429,228

Title: Local anesthetic for external use

Abstract: A local anesthetic for external use is prepared by blending a) an activeingredient selected from lidocaine, prilocaine, and pharmaceuticallyacceptable salts thereof; b) a percutaneous absorption accelerator, c)ethanol and/or isopropyl alcohol, and d) water, such that the blendingratio of ethanol and/or isopropyl alcohol to water is 0.5 to 1.2 byweight, and the pH is 6.0 to 8.5.

Inventors: Inagi; Toshio (Mishima, JP), Mada; Akira (Ihara-gun, JP)

Assignee:

International Classification: A61K 47/38 (20060101); A61K 47/12 (20060101); A61K 31/167 (20060101); A61K 47/32 (20060101); A61K 47/10 (20060101); A61K 031/165 (); A61K 047/10 (); A61K 047/12 ()

Expiration Date: 08/06/2014