Embeda (morphine sulfate and naltrexone hydrochloride) is an extended-release formulation for the management of moderate to severe pain... 

http://www.embeda.com

If you have acid reflux disease or frequent heartburn,then Zegerid (omeprazole) may be a good treatment. Zegerid provides immediate release and provides the continuous heartburn and acid reflux control that you need... 

http://www.zegerid.com