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What is Xylazine?

SAMHSA Xylazine Fact Sheet

SAMHSA Fact Sheet

Xyalazine Basics: Overdose Prevention, Harm Reduction, and Wound Care.

United States Drug Enforcement Administration

The U.S. Drug Enforcement Administration is warning the American public of a sharp increase in the trafficking of fentanyl mixed with xylazine. Xylazine, also known as “Tranq,” is a powerful sedative that the U.S. Food and Drug Administration has approved for veterinary use. “Xylazine is making the deadliest drug threat our country has ever faced, fentanyl, even deadlier,” said Administrator Milgram. “DEA has seized xylazine and fentanyl mixtures in 48 of 50 States. The DEA Laboratory System is reporting that in 2022 approximately 23% of fentanyl powder and 7% of fentanyl pills seized by the DEA contained xylazine.”

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Center for Disease Control and Prevention

Due to its impact on the opioid crisis, fentanyl mixed (adulterated) with xylazine has been declared an emerging threat by the White House’s Office of National Drug Control Policy. On July 11, 2023, the White House released a National Response Plan to address the emerging threat of fentanyl mixed with xylazine.
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National Institute on Drug Abuse

Also known as “tranq,”5 xylazine is a central nervous system depressant that can cause drowsiness and amnesia and slow breathing, heart rate, and blood pressure to dangerously low levels.6,7 Taking opioids in combination with xylazine and other central nervous system depressants—like alcohol or benzodiazepines—increases the risk of life-threatening overdose.1,8 Learn more about the effects of taking more than one type of drug (polysubstance use) from the U.S. Centers for Disease Control and Prevention (CDC).
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U.S. Food and Drug Administration

Health care professionals should be cautious of possible xylazine inclusion in fentanyl, heroin, and other illicit drug overdoses, as naloxone may not be able to reverse its effects. FDA is aware of increasing reports of serious side effects from individuals exposed to fentanyl, heroin, and other illicit drugs contaminated with xylazine.
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SAMHSA

Learn the warning signs of opioid overdose and how naloxone and medications for OUD treatment can help treat and prevent it.
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Every August, SAMHSA commemorates Overdose Awareness Week (August 27 to September 2, 2023) and International Overdose Awareness Day (August 31, 2023) to remember the individuals, families, and communities who have all been impacted by overdose. According to the latest provisional data from the Centers for Disease Control and Prevention (CDC), an estimated 110,000 lives were lost to overdose in the 12-months ending in March 2023, with fentanyl and other synthetic opioids as the main drivers of these deaths. Adding to the challenge of rising fentanyl-involved overdoses is the emergence of xylazine, a non-opioid tranquilizer, increasingly mixed with fentanyl in the illicit drug supply.

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