Buy Opana ER 30 mg Online a pain relief pills that contain oxymorphone, which is a modified-release opioid pharmaceutical for the treatment of severe, chronic pain that requires daily administration. The pills function by changing the brain’s way of perceiving pain, acting directly at the central nervous system for up to 12 hours. Opana ER is prescribed when the patient needs pain management around the clock and cannot take non-opioid medication. It should be strictly taken under the order of a healthcare provider because of the high risk of misuse and dependence or overdose from this medication.