Methadone oral tablet is a generic drug. It’s available as an oral soluble tablet under the brand name Methadose. Methadone comes in the form of a tablet, dispersible tablet (tablet that can be dissolved in liquid), concentrate solution, and solution. You take each of these forms by mouth. It also comes as an injection that’s only given by a doctor. Methadone oral tablets are used to treat pain. It’s also used for detoxification or maintenance treatment of an opioid drug addiction.