Carfentanil or carfentanyl (Wildnil) is a synthetic opioid and an analogue of fentanyl. It has a potency that is 10,000 x greater than morphine and 100 x greater than fentanyl. It is marketed under the trade name Wildnil and is commonly used as a general anesthetic in elephants, horses, and other very large animals. It is extremely potent and not intended for human use. However, it has been showing up mixed with heroin and has been linked to a significant number of overdose deaths nationwide. In addition to being mixed with heroin, carfentanil is also being sold in pill form.
Symptoms of Carfentanil exposure are similar to that of opioid toxicity and include pinpoint pupils, altered mental status, and respiratory depression or apnea. Much larger than normal doses of Narcan (naloxone) may be required to reverse the effects of the drug. Areas of mucous membrane or skin exposure should be irrigated abundantly with cool water.
This vials in this image show just how little heroin, fentanyl and carfentanil it takes to kill the average adult. The side-by-side vials contain a small amount of heroin, a few dozen grains of fentanyl and just one grain of carfentanil.
Recent News: First Responders Prepare for Possible Surge in Deadly Carfentanil Use in N.H. April 27th, 2017
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