Understanding Tapentadol Tapentadol is an analgesic used to treat moderate to severe pain. It belongs to the benzenoid class of drugs and is an opioid analgesic with central effects. It functions by modifying the brain and neurological system's pain responses. Tapentadol functions in two ways: it stimulates the mu-opioid receptor and inhibits the reuptake of norepinephrine. After oral...