It is also my understanding that codeine is the reason Painstop is not recommended for use in children under the age of two. Codeine is an opioid and one of it's (and all opioids) possible side effects is respiratory depression. Young children already have an underdeveloped respiratory drive as well as poor compensatory mechanisms. It has been widely hypothesised that SIDS is caused by a failure of the respiratory centre in the brain... the baby forgets to breathe. If you sedate the respiratory centre and reduce the respiratory drive, you are possibly increasing the likelihood of respiratory arrest and subsequent 'unexplained' death. I suspect this is what the pharmacist was alluding to when he spoke to Jakabella's sister.