- By Dana Sparks
What are opioids and why are they dangerous?
What opioid medications do
Opioids are a broad group of pain-relieving drugs that work by interacting with opioid receptors in your cells. Opioids can be made from the poppy plant, such as morphine (e.g., Kadian and MS Contin) or synthesized in a laboratory, such as fentanyl (e.g., Actiq and Duragesic).