Are you having trouble with chronic pain and not sure if Opana ER or Dilaudid is better? Not all pain medicines work the same way. We'll look at the main differences between these two opioids. This will help you understand their effectiveness, side effects, and what might be best for you. https://medium.com/@madlucas904_32083/opana-er-vs-dilaudid-pain-relief-comparison-424162899a15