Tramadol works by binding to opioid receptors in the brain and spinal cord. These receptors are part of the central nervous system and are involved in the transmission of pain signals. By activating these receptors, tramadol helps to reduce the sensation of pain. Additionally, tramadol increases the levels of serotonin and norepinephrine in the brain. These neurotransmitters also p... https://anotepad.com/note/read/wbhgwdd9