27 Purdue Pharma has since announced resolution of its infringement suits with Endo, 28 Teva, 29 IMPAX, 30 and Mallinckrodt. Bookmark this page: Do You Have Fibromyalgia Pain? Understand How Fibromyalgia Is Diagnosed Explore Treatment for Fibromyalgia Pain Tools to Help You Talk with Your Doctor Cymbalta is approved for the treatment of internetine vaistine oxycodone fibromyalgia. Use in Pancreatic Biliary Tract Disease Oxycodone may cause spasm of the Sphincter of Oddi and should be used with caution in patients with biliary tract disease, including acute pancreatitis. OVERDOSE: If overdose is suspected, contact your local poison control center or emergency room immediately. Nor are any representations made concerning efficacy, appropriateness, or suitability of any such medications, products, services, or treatments for particular patients.