Conversion from Set-Ratio Opioid/Acetaminophen, Opioid/Aspirin, or Opioid/Nonsteroidal Mixture Drugs When changing individuals from fixed ratio opioid/non-opioid drug regimens a decision need to be created whether or not to carry on the non-opioid analgesic. If a choice is created to discontinue the use of non-opioid analgesic, it may be required t