Tramadol is used for the short-term relief of severe pain and it can work directly on opioid receptors in the central nervous system and reduces feelings of pain by interrupting the way nerves signal pain between the brain and the body, Tramadol is usually available as an oral tablet, although a liquid formulation is also sometimes used.Another one thing is that Tramadol may cause serious or life-threatening breathing problems, especially during the first 24 to 72 hours of your treatment and any time your dose is increased. Your doctor will monitor you carefully during your treatment.