Tramadol is an oral medication that is used to help relieve ongoing moderate to moderately severe pain. Tramadol is similar to opioid (narcotic) analgesics. It works in the brain to change how your body feels and responds to pain. Tramadol is a narcotic-like pain relieving oral medicine that is used as a treatment for moderate to severe pain in adults. The extended-release-tablet formulation of this drug is used to treat moderate to severe chronic pain when treatment is needed around the clock.