Codeine class c. Pharmacological Class for TYLENOL w. . codeine CODEINE AND CALCIUM IODIDE SYRUP; Codeine and . . . Codeine is classified as a Class B drug in the UK. Cannabis was upgraded to a Class B drug from the Class C drug classification in January 2009. Manufacturer of TYLENOL w. . CODEINE #3. PRESCRIBED FOR: Codeine . . Codeine. . It is not known whether codeine will harm an unborn baby. Monographs cover generic and brand name, drug class and . DRUG CLASS AND MECHANISM: Codeine is a we... more