Why Are Drugs Laced With Fentanyl: Understanding The Risks -

Why are Drugs laced with Fentanyl: Understanding the Risks

A new and dangerous trend is emerging: illicit drugs being laced with fentanyl. Researchers and experts wonder why are drugs laced with fentanyl. The main reasons: it is highly potent, it is easy to move in small quantities and it creates a greater profit margin in unregulated street markets. Sometimes the addition of fentanyl is intentional and other times it is because users may be exposed to powders, pills or supply lines that may be contaminated.

A bunch of pills, tablets and powders all representing drug laced fentanyl.

In the latest news, Hollywood actress Hayden Panettiere’s cause of death, though still pending, is thought to have been due to fentanyl laced oxycodone pills. Preliminary toxicology reports suggest that the 36-year-old actress might have purchased these drugs from her dealer in LA. She died on August 16, 2026, in Greenville, South Carolina.

Fentanyl isn’t a new substance. It has been used since the 1960s as an intravenous anesthetic. It is still prescribed by doctors in the form of patches and lozenges for treating conditions of severe and chronic pain. It is a strong synthetic opioid painkiller. The result of fentanyl laced drugs: stronger drugs and fatal overdoses caused by the combination of substances that contain fentanyl.

What is Fentanyl?

Fentanyl is a synthetic opioid that is legally used in a medical setting. But it can also be illicitly manufactured and is made specifically to distribute outside legal pharmaceutical oversight. When fentanyl is added to another substance, it creates a more powerful high that allows drug dealers to make higher profits by selling less of the main substance.

Infograph showing why drugs laced with fentanyl are dangerous and how they have become more popular in the illicit drug market.

Why are drugs laced with Fentanyl?

Lacing drugs means adding one substance to another. It is usually done with street drugs when dealers are looking to bulk up another product so they can make more money off of it. Fentanyl laced drugs are substances that have fentanyl added to them. The most common and popular street drugs often laced with fentanyl include cocaine, heroin, methamphetamine and counterfeit prescription pills such as OxyContin, Vicodin and benzos.

Drugs are being laced with fentanyl mainly because illegally made fentanyl can drastically increase opioid strength at a low volume, stretch or replace other drugs and make street pills much cheaper to produce. In the drug street market, substances are not regulated and buyers are often purchasing goods without knowing what is really in them. According to the CDC, fentanyl is commonly found in powder form or pressed into counterfeit pills, where users may not know their drugs contain it.

A substance that is very potent even in the smallest amounts is easier to distribute, divide and sell compared to bulkier drugs. In the illegal supply chain, the product often gets passed through many hands before reaching the user. This means no one really knows exactly what it can be exposed to and what may be in the product at the end.

Street dealers who sell drugs laced with fentanyl do so for many reasons:

  • It is used to make drugs stronger and more potent without using too much of the main drug.
  • It is cheaper to make and allows dealers to create higher profits.
  • It is used to bulk up the product, making it more addictive and keeping buyers coming back to buy more.
  • It is used to stretch their drug supply and maximize profits.

The Economics behind the Fentanyl drug supply

When people ask, “why are drugs laced with fentanyl,” the answer is often associated with profit and financial gain. Illicit fentanyl is typically cheaper and easier to distribute than other drugs like heroin because it doesn’t require plant cultivation and can be fully produced synthetically in a lab. It is extremely potent, so traffickers can move around smaller amounts while still being able to create a large dose of drugs.

Fentanyl can be mixed into heroin or other opioid products to make them more potent and seem stronger. Fentanyl can also be pressed into counterfeit pills designed to look like legitimate medications.

The reality is, illicit mixing of substances is crude and uneven. One pill or portion can contain little or no fentanyl, while another from the same batch can contain much more. The inconsistencies in processing and production are one of the major reasons why overdoses can occur because a user may believe they are consuming a familiar amount of the drug.

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What are the common drugs laced with Fentanyl?

In April 2021, New York police reportedly confiscated marijuana, which was later tested and found to be laced with fentanyl. According to the National Institute on Drug Abuse, over half of all heroin overdoses in 2019 involved fentanyl laced heroin.

Fentanyl has been found in heroin, counterfeit prescription pills, methamphetamine and cocaine. The risk of using fentanyl-laced drugs is highest with unregulated powders and pills because they can be mixed, pressed or packaged without any quality control.

  • Heroin and other opioid street opioids: Fentanyl can be used to replace or intensify opioid like effects.
  • Counterfeit opioid prescription pills: Fake oxycodone or hydrocodone pills can contain fentanyl instead of the expected medication.
  • Counterfeit antidepressants or stimulant pills: Pills sold as Xanax or Adderall may be laced with fentanyl and other unexpected substances.
  • Cocaine and crack. Cocaine laced with fentanyl can be especially difficult to detect and creates an added overdose risk for those without opioid tolerance.
  • Methamphetamine. Stimulant drugs can be contaminated or intentionally mixed with other opioids like fentanyl.

Why Fentanyl makes overdose risk so unpredictable

Fentanyl increases overdose risk because it is a strong opioid that can slow down or even stop breathing. It becomes even more dangerous when a drug user is unaware of the drug’s presence and takes a typical amount of another drug or mixes substances. Overdose risks increase more when users take more than one drug.

Someone who regularly uses opioids can still overdose on fentanyl, especially if the product is unusually strong. But a person who uses stimulants and the occasional opioid can have very low opioid tolerance, which makes fentanyl very dangerous when consumed.

Signs of overdose include extremely slowed breathing, blue or gray lips and fingertips, limpness in the body, inability to wake up and small pupils. If an overdose is suspected, an emergency injection of naloxone can help reverse symptoms. But emergency services should be called immediately.

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Why are drugs laced with fentanyl? Drug makers use fentanyl to make drugs stronger and pocket a bigger profit. Lacing with fentanyl can happen intentionally as street dealers use it to bulk up products. Or it can happen unintentionally as it moves through an unregulated process; the product may accidentally be exposed to fentanyl. Fentanyl can produce feelings of euphoria and pain relief. But it also leads people to experience uncomfortable symptoms such as nausea, vomiting, confusion and respiratory depression.

Illicit drugs and non-prescribed pills can contain fentanyl, and there is no reliable way to tell by looking. Fentanyl testing kits, naloxone and not using the drug alone can help reduce the risk. But they cannot make an unregulated drug supply safe for anyone.

Hotel California by the Sea provides treatment for opioid use disorder and addiction to other substances. We offer treatment at all levels of care including detox, residential, PHP and IOP. We utilize evidence-based methods such as CBT, DBT and EMDR therapy. Hotel California by the Sea is dedicated to helping clients reach their goals in sobriety and overcome their addiction.

References:

https://www.yalemedicine.org/news/fentanyl-driving-overdoses

https://texaslawhelp.org/article/the-rising-menace-street-drugs-laced-with-fentanyl

https://ophelia.com/blog/why-are-drugs-laced-with-fentanyl

https://ktla.com/entertainment/hayden-panettieres-possible-cause-of-death-revealed-tmz
https://stagesrecoverycenters.com/fentanyl-laced-drugs/