Tramacetal tablets contain Tramadol 37.5mg and Paracetamol / Acetaminophen 325mg which is used for pain relief and fever. It is used to relieve pain in conditions like headache muscle pain or dental pain. Tramadol is an opioid analgesic (pain reliever) which works by blocking transmission of pain signals to the brain to lower pain perception. Paracetamol / Acetaminophen is an analgesic (pain reliever) and antipyretic (fever reducer). It works by blocking the release of certain chemical messengers that cause pain and fever.