Is generic phenergan aka promethazine safe to take while breastfeeding?

See below: This is an area where you may get disagreement among professionals. Based on *published* data, the World Health Organization does not recommend more than 1 dose. And based on the drug’s chemistry, it *is* expected to penetrate the breast milk and make its way to the infant. In theory, repeated doses by the mother will have the following effect on the baby: drowsiness and possibly toxicity.