tramal cena bez receptu is a pain medicine similar to an opioid and is classified as a synthetic opioid. It acts in the central nervous system (CNS) to relieve pain. Tramadol is used to treat moderate to severe pain in adults.Tramadol is used to relieve moderate to moderately severe pain. Tramadol extended-release tablets and capsules are only used by people who are expected to need medication to relieve pain around-the-clock.