Carfentanil is an analogue (or copy) of the commonly prescribed drug fentanyl. Carfentanil was designed in 1974 by a team at Janssen Pharmaceutica, which included Phil Janssen. The potency of Carfentanil is 10,000 times greater than morphine, and 100 times greater than fentanyl. It is one of the most potent opioid drugs manufactured today, and [...]
