Objective: To investigate the preparation of chloramphenicol gel and establish the methods for its quality control. Methods:Chloramphenicol gel was prepared by using chloramphenicol as a main drug and carbopoler 940 as gel matrix. The concentration of chloramphenicol in the gel formulation was determined by HPLC at the detection wave length of 277 nm. Results:The prepared formulation was a colorless transparent gel and its quality met the relevant requirements in Chinese Pharmacopoeia in 2010 edition. The c...