Dilaudid, which is the brand name for hydromorphone, is a powerful opioid pain reliever that's often used to manage moderate to severe pain. This is especially true for patients who need strong pain control, like those recovering from surgery or dealing with chronic pain issues. It works by attaching to opioid receptors in the brain and spinal cord, helping to lessen the feeling of pain. Dilaudid is much more potent than morphine, so it’s crucial to use it only under strict medical supervision because of its potential side effects, which can include respiratory depression, sedation, and the risk of dependence.