Labor or Supply Opioids cross the placenta and may deliver respiratory despair and psycho-physiologic effects in neonates. An opioid antagonist, for instance naloxone, has to be readily available for reversal of opioid-induced respiratory despair from the neonate. Codeine has lower plasma protein binding with about seven to 25% of codeine https://ukdirectorylist.com/listings13137355/the-definitive-guide-to-hi-tech-promethazine-syrup