Eligible subjects will undergo either an office-based or operating room-based procedure or surgery. The approximately 620 subjects will be randomized in a 2:2:1 fashion to one of the three treatment groups (248 subjects randomized to the Cocaine HCl 4% solution, 248 subjects randomized to the Cocaine HCl 10%, and 124 subjects randomized to the placebo solution) pre-procedure and given one application of the assigned test product with Von Frey filament testing occurring after application.