Tetracaine is a potent ester used as a topical anesthetic for ENT procedures. Tetracaine is effective for anesthetizing accessible mucous membranes including the larynx, trachea, and esophagus. Onset is within 6-12 minutes and the effects can last up to two hours. Tetracaine has ten times the potency of procaine and has been shown to be a superior topical anesthetic for nasal procedures. It produces greater decreases in pain perception than…