What Are Opioids? A kind of pain medicine that your doctor prescribes you in surgical or accidental pains is known as an opioid. It is also used in the treatment of chronic illnesses like arthritis. Most of these opioids are made from the opium plant but some are synthetics i.e. made in labs. Any of them, affect the reward center of the brain and boost the levels of specific brain chemicals that cure pain, slow…