Had 300mg after accompanied by 300mg an hour later and it had been anaphylactic shock time.Properly I did not die,but owning diphenhydramine or promethezine around will protect against that kind of occurence. The intraperitoneal LD50 in rats is 170mg/kg and in mice is 160mg/kg. The subcutaneous LD50 in rats is https://bookmark-master.com/story20133130/the-smart-trick-of-codeine-syrup-that-no-one-is-discussing