McCaskill overreaches on fentanyl figures

Sen. Claire McCaskill, D-Mo., is requesting information from the U.S. Department of Homeland Security, the United States Postal Services and the U.S. Department of States regarding a drug she claims is illegally making its way into the country.

In a press release from Nov. 22, 2017, the senator said, "Fentanyl is now killing more Americans than heroin or any other opioid, and we should use every tool at our disposal to keep it from entering the United States."

The number of opioid overdose deaths has been getting a lot of attention in recent years, but is fentanyl now the leading cause?

What is fentanyl?

According to the Centers for Disease Control and Prevention, fentanyl is a synthetic, or man-made, opioid sold legally as a pharmaceutical drug to treat pain. It is also illegally made and is increasingly used to intensify the effects (or "high") of other drugs, such as heroin. Most recent cases of fentanyl-related overdose and death have been linked to illicitly-manufactured fentanyl. Heroin is an opioid synthesized from morphine that can be a white or brown powder, or a black sticky substance. Heroin is an illegal, highly-addictive opioid, typically injected but also smoked and snorted.

Although fentanyl is similar to heroin, fentanyl is 30 to 50 times more potent, according to the National Institute on Drug Abuse.

Have overdose deaths increased?

There was a 21 percent increase nationally in overall overdose deaths from 2016 to 2017.

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The CDC categorizes six types of drugs, with fentanyl part of the "synthetic opioids excluding methadone."

Fentanyl-related deaths are on the rise. A 2016 study of 10 states over six months detected fentanyl in 56.3 percent of 5,152 synthetic opioid deaths.

The CDC reported a total of 20,145 overdose deaths, up from 9,445 in 2015, which means the number of overdoses related to synthetic opioids excluding methadone more than doubled between 2016 and 2017.

Sarah Feldman, the deputy communication director for McCaskill, told us that "the term ‘synthetic opioids excluding methadone’ is, according to the CDC, exclusively represented by ‘fentanyl and fentanyl analogs.’"

But CDC spokeswoman Courtney Lenard said the synthetic opioids category isn’t exclusive to fentanyl. She gave an example as prescription pain reliever tramadol, which isn’t fentanyl-based.

In other words, fentanyl and fentanyl analogs are a subset of synthetic opioids. "Fentanyl deaths cannot be separated out," Lenard said.

Our ruling

Sen. McCaskill said, "Fentanyl is now killing more Americans than heroin or any other opioid."

The CDC says illegally manufactured fentanyl is primarily responsible for the increase in deaths involving synthetic opioids in 10 states. But fentanyl and fentanyl analogs aren’t the only synthetic opioids claiming lives. There is no breakdown of fentanyl from the larger synthetic category number.

We rate this claim Half True.