Tetracaine base. An effective surface anesthetic for the tympanic membrane.
D000438:Alcohols; D000779:Anesthetics, Local; D006801:Humans; D008614:Meperidine / Q000008:administration & dosage; D010033:Otitis Media / Q000601:surgery; D014677:Pharmaceutical Vehicles; D019736:Prostheses and Implants; D013748:Tetracaine; D014432:Tympanic Membrane / Q000601:surgery*
D000438:Alcohols; D000779:Anesthetics, Local; D014677:Pharmaceutical Vehicles; D013748:Tetracaine; D008614:Meperidine