Fake drugs laced with a legal drug 50 times stronger than heroin are showing up in the UK

In recent months while screening samples of heroin they had acquired on the street, British police discovered a drug whose appearance they had been dreading — fentanyl, the dangerously strong painkiller that killed Prince and gained a foothold as part of the American opioid epidemic.

Since late 2016, fentanyl has been implicated in at least 60 drug-related deaths in the United Kingdom, according to a report from the National Crime Agency. Experts say it is a small but worrisome potential indicator of the drug's movement across the pond.

"There is a certain inevitability about fentanyl’s arrival in Britain as an additive to heroin, given trends in the US and elsewhere," Niamh Nic Daeid and Craig McKenzie, professors of forensic chemistry at the University of Dundee, wrote in a recent post for The Conversation.

The reason underground drug makers are cutting their existing supplies with the drug is simple: it saves them money.

Fentanyl is roughly 80 times as potent as morphine, according to the US Centers for Disease Control and Prevention. As a result, drugmakers can shelve their existing formulas and instead mix tiny quantities of fentanyl with cheap fillers, cutting costs and maximizing profit. But mixing the drugs in the right amounts is tricky business, and when drug makers get the calculations wrong, overdoses and deaths happen.

Because of fentanyl's potency, even blending the drugs in the first place can be dangerous.

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Fentanyl Citrate, a CLASS II Controlled Substance as classified by the Drug Enforcement Agency in the secure area of a local hospital Friday, July10, 2009.

(Photo By Joe Amon/The Denver Post via Getty Images)

A seized counterfeit hydrocodone tablets in the investigation of a rash of fentanyl overdoses in northern California is shown in this Drug Enforcement Administration (DEA) photo released on April 4, 2016. At least 42 drug overdoses in the past two weeks have been reported in northern California, 10 of them fatal, in what authorities on Monday called the biggest cluster of poisonings linked to the powerful synthetic narcotic fentanyl ever to hit the U.S. West Coast.

(Drug Enforcement Administration/Handout via Reuters)

Fentanyl Citrate, a CLASS II Controlled Substance as classified by the Drug Enforcement Agency in the secure area of a local hospital Friday, July10, 2009.

(Photo By Joe Amon/The Denver Post via Getty Images)

Dory Bauler's unused Fentanyl patch packets. She is one of millions of patients who used the fentanyl patch, which delivers a powerful narcotic through the skin. The patch, brand name Duragesic, was the subject of a recent FDA alert. Patients are overdosing, sometimes they die. Mrs. Bauler came off the patch when she realized the drug was causing her breathing problems, a sign of serious trouble. This photo was taken at her home in Laguna Woods.

(Photo by Glenn Koenig/Los Angeles Times via Getty Images)

A small bag of straight Fentanyl on display at the State Crime Lab at the Ohio Attorney General's headquarters of the Bureau of Criminal Investigation on Wednesday, September 16, 2015 in London, Ohio.

(Photo by Ty Wright for/ For The Washington Post via Getty Images)

'If I don't put these on, it hurts to breathe,' says Smitty Anderson wearing Fentanyl patches to help him deal with the pain caused by multiple myeloma cancer, a blood cancer that affects the bones. Anderson worked at Savannah River Site from 1981 to 1998. The Andersons filed claims to get federal compensation for his disease, which he said came from working at the nuclear site. He had no luck. 'We've been going through so much red tape for years,' he said. 'My wife has to do all the work now. I just don't have the strength anymore.' He died on Nov. 5, 2015.

(Gerry Melendez/The State/TNS via Getty Images)



"Exposure even to a few milligrams of pure fentanyl can be fatal, and professionals licensed to handle fentanyl and its even more potent analogues such as carfentanil — a sedative so powerful that its only official use is sedating large zoo animals such as elephants — take very careful precautions in laboratories," wrote Nic Daeid and McKenzie.

Nevertheless, fentanyl is continuing to show up on the street in the US and more recently in the UK under the names of common prescription drugs. Last summer, a report from the US Drug Enforcement Administration warned of counterfeit fentanyl pills disguised as Norco (hydrocodone), Percocet (oxycodone), and Xanax (alprazolam).

And while these drugs differ in potency, it's important to remember that they are all members of the same class — opioid painkillers. Regardless of their individual strength, all of these drugs work by capitalizing on our body's natural pain-relief system, and producing a sense of euphoria or "high." They are not addictive to everyone who takes them, but because they are being distributed (both legally and illegally) in such high quantities, more and more people are being exposed and have the potential to become hooked.

"A multi-agency approach is now required to establish how prevalent fentanyl have become in Britain," wrote Nic Daeid and McKenzie. "Getting accurate data quickly is key – both for police enforcement and for the harm reduction measures that could save lives."

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SEE ALSO: The legal drug that killed Prince was 50 times stronger than heroin — here’s everything you need to know about it

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