Opana (oxymorphone) is an opioid pain medication. An opioid is sometimes called a narcotic. Opana is used to treat moderate to severe pain. The extended-release form of this medicine is for around-the-clock treatment of severe pain. Opana ER is not for use on an as-needed basis for pain. Opana may also..
Marplan is an antidepressant drug called a monoamine oxidase (MAO) inhibitor that can be prescribed as short-term treatment for the symptoms of major depression when other medicine has proven ineffective.