Morphine. Fentanyl. Hydromorphone. These medicines pack a powerful punch for pain relief, but they can also have serious side effects.“There is a fine line between comfort and overmedication,” says Judy Hunter, R.N., a level four clinical nurse who works with children on unit 5300 of Duke University Hospital (DUH). “If patients are overmedicated, that can cause complications. But if they are undermedicated, they can have other...