title: Long-acting local analgesic antidyne in anal operations.
mesh_terms: D001003:Anal Canal / Q000601:surgery*; D000700:Analgesics / Q000008:administration & dosage* / Q000627:therapeutic use; D003692:Delayed-Action Preparations; D004338:Drug Combinations; D006484:Hemorrhoids / Q000601:surgery; D006801:Humans; D008751:Methylene Blue / Q000627:therapeutic use*; D010936:Plant Extracts / Q000627:therapeutic use*; D011182:Postoperative Care; D012003:Rectal Fistula / Q000601:surgery; D013748:Tetracaine / Q000627:therapeutic use*
chemical_list: D000700:Analgesics; D003692:Delayed-Action Preparations; D004338:Drug Combinations; D010936:Plant Extracts; D013748:Tetracaine; D008751:Methylene Blue