![]() ![]() Inj Prev J Int Soc Child Adolesc Inj Prev. Increasing presence of xylazine in heroin and/or fentanyl deaths, Philadelphia, Pennsylvania, 2010-2019. Johnson J, Pizzicato L, Johnson C, Viner K.Xylazine spreads across the US: A growing component of the increasingly synthetic and polysubstance overdose crisis. Friedman J, Montero F, Bourgois P, et al.NIDA-supported research is underway to continue to elucidate emerging drug use patterns and changes to the illicit drug supply across the United States, including the use of xylazine, synthetic opioids, and changes in patterns of polydrug use. 1,4,11 People report using xylazine or xylazine-containing drugs by injecting, snorting, swallowing, or inhaling. Repeated xylazine use is also associated with skin ulcers, abscesses, and related complications. Learn more about stopping overdose from the CDC. 1,2,10Emergency medical services should always be alerted to a suspected overdose. 1,3,8Because of this, experts are concerned that a growing prevalence of xylazine in the illicit opioid supply may render naloxone less effective for some overdoses. 9 However, because xylazine is not an opioid, naloxone does not address the impact of xylazine on breathing. In the event of a suspected xylazine overdose, experts recommend giving the opioid overdose reversal medication naloxone because xylazine is frequently combined with opioids. Centers for Disease Control and Prevention (CDC). 1,8 Learn more about the effects of taking more than one type of drug (polysubstance use) from the U.S. 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. 7Īlso 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. ![]() 1 Most overdose deaths linked to both xylazine and fentanyl also involved additional substances, including cocaine, heroin, benzodiazepines, alcohol, gabapentin, 3 methadone, and prescription opioids. Research has shown xylazine is often added to illicit opioids, including fentanyl, 3and people report using xylazine-containing fentanyl to lengthen its euphoric effects. Xylazine was involved in 19% of all drug overdose deaths in Maryland in 2021 and 10% in Connecticut in 2020. From 2015 to 2020, the percentage of all drug overdose deaths involving xylazine increased from 2% to 26% in Philadelphia. While the full national scope of overdose deaths involving xylazine is unknown, research shows overdose deaths linked to xylazine have spread westward across the United States, with the largest impact in the Northeast. ![]() 1 Studies show people exposed to xylazine often knowingly or unknowingly used it in combination with other drugs, particularly illicit fentanyl. Xylazine, a non-opioid veterinary tranquilizer not approved for human use, has been linked to an increasing number of overdose deaths nationwide in the evolving drug addiction and overdose crisis. ![]()
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