Tramadol is a synthetic opioid pain medication, and it is used for treating moderate to severe pain. You can Buy Tramadol Online; it is sold under the brand name Ultram. Tramadol helps treat moderate to moderately severe pain that can not be relieved by other medications. It acts in the central nervous system (brain and spine) to reduce the amount of pain you feel. When taken orally, the onset of pain relief begins within an hour. It is also available by injection.