Opana ER 30 mg pain relief pills, containing oxymorphone, are an extended-release opioid medication designed to manage severe, long-term pain requiring continuous treatment. These pills work by altering the brain's perception of pain, providing sustained relief over 12 hours. Opana ER is typically prescribed for patients who need around-the-clock pain management and cannot use non-opi... https://wokwi.com/projects/414883749671095297