Painkillers based on naproxen You will specifically need Tapaday 200. Drugs are a common term for opioids. Doctors prescribe Tapaday 200 for pain ranging from mild to severe. Try Tapaday 200 extended-release version (Nucynta ER) if other pain medicines haven't worked to lessen your persistent discomfort. You don't need Tapaday 200's extended-release version for those infrequent uncomfortable moments.