Codeine phosphate 10mg, promethazine HCl 6.25mg; per 5mL; syrup; contains alcohol 7%. Risk of life-threatening respiratory depression and death related to ultra-rapid metabolizers of codeine (esp.

It is about equal to codeine in depressing the cough reflex. In therapeutic dosage dextromethorphan does not inhibit ciliary activity. Promethazine is an H 1 receptor blocking agent. In addition ...

Purple drank is a recreational drug that is mixed into a drink, prepared by mixing prescription-grade cough or cold syrup containing codeine and promethazine with a soft drink. Professor Anderson ...