What is fentanyl and why is it so dangerous?

What to know about the opioid drug responsible for a surge in overdoses
What to know about the opioid drug responsible for a surge in overdoses
The opioid crisis has only intensified as more illicit drugs have entered the market. Drug overdose deaths reached a record high in 2021, with more than 100,000 people lost to the continuing epidemic, fueled by the potent synthetic opioid fentanyl. The drug, according to the Centers for Disease Control and Prevention, can be up to 50 times more potent than heroin and 100 times that of morphine. Illicit forms of fentanyl are mainly manufactured by drug cartels in Mexico and spreading in the U.S.