Tramadol is a nontraditional centrally acting analgesic with a dual mechanism of action. It is a weak opioid and also a reuptake inhibitor for serotonin and norepinephrine. What is tramadol, and what is it used for?

Researchers and doctors do not know the exact mechanism of action of tramadol,. Nhs medicines information on dosage for tramadol, how to take it and what to do if you miss a dose or take too much. Learn about side effects, dosage, special precautions, and more on medlineplus