It is actually difficult to decide what constitutes an ordinary harmful or lethal dose. Nonetheless, the lethal oral dose of codeine in an adult is documented to generally be within the selection of 0. NMS is a serious problem that can cause death. End having promethazine/codeine and call your Health https://directory4search.com/listings13144083/akorn-promethazine-with-codeine-syrup-an-overview