Opana ER is the strong formulation of oxymorphone, designed for the treatment of severe pain when long-term opioid therapy is required to be continued without interruption. Opana ER extended-release tablets provide steady relief and ensure optimal therapeutic effect during the day; further, purchasing from online drugstores ensures delivery of Opana ER at the right time. Make sure that one takes the prescribed dose and obtains consultation with any healthcare professional to ensure one's safety as well as efficacy of the treatment. Easy access to any necessary pain management solutions ensures taking good care of your health.