Keywords: Abstral; Actiq; Alertec; Amitiza; Apadaz; Arymo; Belbuca; Buprenex; Butrans; Codeine Contin; ConZip; Dialudid; Dolophine; Duragesic; Durela; Exalgo; Fentora; Hydromorph Contin; Hysingla; Jurnista; Kadian; Lazanda; M-Eslon; MS Contin; Metadol; Morphabond; Movantik; NSAIDs; Nucynta; Opana; Oxaydo; Oxy IR; OxyContin; OxyNeo; Oxycocet; Probuphine; Provigil; Relistor; Ritalin; Sublocade; Suboxone; Subsys; Symproic; Talwin; Tramacet; Tridural; Ultracet; Ultram; Xtampza; Zohydro; Zytram; abuse deterrent opioids; acetaminophen; adverse effects; antidepressants; aspirin; benzhydrocodone; buprenorphine; butorphanol; cancer pain; capsaicin; chronic noncancer pain; codeine; dosage; drug abuse; efficacy; fentanyl; hydrocodone; hydromorphone; levorphanol; lidocaine; lubiprostone; meperidine; methadone; methylnaltrexone; methylphenidate; modafinil; morphine; nalbuphine; naldemedine; naloxegol; naloxone; naltrexone; opioid dependence; oxycodone; oxymorphone; pentazocine; pregnancy; safety; tapentadol; tramadol.