Anaphylaxis: Anaphylaxis has long been documented with codeine, among the list of ingredients in promethazine HCl and codeine phosphate oral solution. Promethazine is metabolized via the liver to many different inactive metabolites like sulfoxides of promethazine, N-demethylpromethazine along with other glucuronides. Everyday living-threatening breathing troubles (respiratory depressi... https://akorn-promethazine-codein91111.wizzardsblog.com/32209045/the-akorn-promethazine-codeine-diaries