Xylazine (Tranq): What You Need to Know About This Drug

Xylazine Is Spreading Fast in U.S. Drug Supplies

Xylazine, a veterinary tranquilizer never approved for human use, now contaminates a large portion of the illicit fentanyl supply. The DEA reported xylazine in 23% of fentanyl powder seized in 2023. By 2025, that number rose above 35%. If you or someone you know uses opioids, understanding xylazine is a safety priority.

What You Should Know Right Now

• Xylazine is not an opioid. Naloxone (Narcan) does not reverse its effects.
• It causes severe skin wounds that worsen without medical care.
• Most people who use xylazine do not know it is in their supply.
• No FDA-approved treatment exists for xylazine dependence.

What Xylazine Does to the Human Body

Xylazine depresses the central nervous system. It slows breathing, drops blood pressure, and lowers heart rate. When mixed with fentanyl, the combined depressant effects increase overdose risk.

Repeated exposure causes deep tissue wounds at injection sites. These wounds often develop into necrotic ulcers. Without treatment, some cases lead to amputation.

Symptoms of Xylazine Exposure

• Extreme drowsiness lasting hours
• Slow, shallow breathing
• Open skin sores that do not heal
• Dangerously low blood pressure
• Slurred speech and disorientation

Why Naloxone Alone Is Not Enough

Naloxone reverses opioid overdoses by blocking opioid receptors. Xylazine works on different receptors entirely. During an overdose involving both substances, naloxone helps with the opioid component but leaves xylazine effects untreated.

“Administer naloxone for any suspected overdose. It will address the opioid effects. Then call 911 immediately, because xylazine requires additional medical intervention.” – SAMHSA Advisory, 2024

Treatment Options for Xylazine Dependence

No standardized protocol exists for xylazine withdrawal. Medical detox centers manage symptoms on a case-by-case basis. Clinicians use supportive care: IV fluids, blood pressure management, and wound treatment.

For the opioid component, medication-assisted treatment with buprenorphine or methadone remains effective.

Protecting Yourself and Others

• Carry naloxone and administer it during any overdose. It still helps.
• Use fentanyl test strips. Some newer strips detect xylazine.
• Seek wound care early. Small sores escalate fast.
• Talk to a provider about getting clean.

Where to Find Help

SAMHSA’s National Helpline: 1-800-662-4357 (free, 24/7). Local support groups offer peer connections for people in any stage of recovery.