COLUMBUS, Ohio – Authorities across the United States are issuing warnings about carfentanil, a synthetic opioid that is 10,000 times more potent than morphine and 100 times stronger than fentanyl. This highly dangerous substance has become a growing concern in illicit drug markets, with experts warning of its potential to cause fatal overdoses even among individuals who are accustomed to opioids.
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The Dangers of Carfentanil
Carfentanil was originally developed as a veterinary tranquilizer for large animals such as elephants. However, it has now found its way into the illegal drug trade, where it is often mixed with other substances like cocaine, methamphetamine, and fentanyl. Even a tiny amount—such as the tip of a pencil—can be lethal. The Drug Enforcement Agency (DEA) has issued alerts about the risks associated with carfentanil, noting that it poses a significant threat not only to users but also to first responders and law enforcement personnel who may come into contact with the substance.
The DEA has stated that the presence of carfentanil in the U.S. drug market is a serious public health issue. It warns that the potency of this drug could lead to an increase in overdose cases, even among those who are already tolerant to opioids. This has led to heightened concerns among public health officials and law enforcement agencies across the country.
Rising Cases in Ohio
In Ohio, the number of drug samples containing multiple substances is on the rise, with carfentanil being a major contributor to this trend. Experts from the Bureau of Criminal Investigation (BCI) have reported a sharp increase in the detection of carfentanil in drug samples over the past few years. In 2025 alone, BCI identified more than 199 items containing carfentanil, which is more than the combined total from the previous four to five years.
Jessica Toms, laboratory manager at BCI, noted that in 2017, there were just over 1,200 samples tested, but the numbers have since increased significantly. “We’re not quite there yet, but well above the 30 to 40 we’ve seen the last couple,” she said.
Toms also highlighted the changing nature of drug testing. “When I first started out in drug chemistry testing evidence here at BCI, drug items that we were testing only had one substance in it. You had cocaine, it was cocaine, and you had heroin, it was heroin. And now it’s not uncommon to see five or six different drugs that are mixed together. The most I think we’ve had is 12 different controlled substances in one sample.”
The Spread of Carfentanil
Carfentanil is typically manufactured overseas and then smuggled into the United States, where it appears in tablet and powder form in various colors. It has been detected in 46 counties across Ohio and surrounding states. Its presence in the drug supply chain has raised alarms among pharmaceutical and health leaders, who warn that the surge in lab-made drugs like carfentanil is contributing to a rise in overdoses and deaths in the region.
Public health officials urge individuals to be aware of the dangers associated with drug use and to carry naloxone (Narcan), a medication that can reverse opioid overdoses. They emphasize the importance of education, prevention, and access to emergency treatment resources.
What You Need to Know
- Potency: Carfentanil is 10,000 times more potent than morphine and 100 times stronger than fentanyl.
- Risk: Even a small amount can be lethal, and it is often mixed with other drugs, increasing its toxicity.
- Spread: Carfentanil has been found in 46 counties in Ohio and surrounding states.
- Detection: BCI has seen a sharp rise in the number of drug samples containing carfentanil.
- Prevention: Public health officials recommend carrying Narcan and staying informed about the risks of drug use.
As the threat of carfentanil continues to grow, authorities and health professionals are working to raise awareness and implement measures to protect communities from its devastating effects.
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