succinylcholine: a muscle relaxant for striated muscle that is used as an adjunct to anesthesia during certain surgical procedures
muscle relaxant: a drug that reduces muscle contractility by blocking the transmission of nerve impulses or by decreasing the excitability of the motor end plate or by other actions
chloramphenicol: an oral antibiotic (trade name Chloromycetin) used to treat serious infections (especially typhoid fever)