Promethazine HCl And Codeine Phosphate Oral Resolution should be made use of with caution in people with bone- marrow despair. Leukopenia and agranulocytosis are already noted, usually when promethazine has been used in association with other identified marrow-harmful brokers. The most typical Unwanted side effects of promethazine/codeine are listed beneath. https://syrupshop.online/delivery/