tramal cena is in a class of medications called opiate (narcotic) analgesics. It works by changing the way the brain and nervous system respond to pain. Tramadol may be habit forming, especially with prolonged use. Take tramadol exactly as directed. Do not take more of it, take it more often, or take it in a different way than directed by your doctor. While taking tramadol, discuss with your health care provider your pain treatment goals, length of treatment, and other ways to manage your pain.