Pretty low bar..."a topical local anesthetic for the upper respiratory tract."...that's all... Cocaine is a Schedule II drug under the Controlled Substances Act, meaning it has a high potential for abuse and has an accepted medical use for treatment in the United States. Cocaine hydrochloride solution (4 percent and 10 percent) is used primarily as a topical local anesthetic for the upper respiratory tract. https://www.dea.gov/sites/default/files/2020-06/Cocaine-2020_1.pdf