There’s a new drug in town, and it’s called rhino tranq. Medetomidine, known colloquially as rhino tranq, is a sedative made for animals. It’s now turning up in illegal fentanyl. In April 2026, the CDC issued a health alert flagging this substance as a growing driver of reported overdoses and dangerous withdrawal. It’s already being picked up in Florida through drug testing.
Keep reading for a deeper look at this drug, its legal status in the state of Florida, and where to turn for support.
What Is Rhino Tranq (Medetomidine)?
Medetomidine, nicknamed rhino tranq, mede, or dex, has no legally approved human use, according to the CDC. Vets use it to sedate dogs and manage their pain. A close cousin, dexmedetomidine, is cleared for use in people during medical procedures. But the medetomidine that’s been found in street drugs recently carries no such clearance.
Illicit labs are producing medetomidine, the CDC reports. It keeps showing up more often in samples crime labs test. Case counts in the National Forensic Laboratory Information System climbed fast.
Reports grew nearly tenfold, from 247 reports in 2023 to 2,616 the following year. That number then more than tripled again, reaching 8,233 by 2025.
Even with that surge, medetomidine still made up under 1% of all national drug reports in 2025. The Northeast saw the heaviest concentration (52%), followed by the Midwest (31%), then the South (17%) and the West, at under 1%.
Rhino Tranq vs. Xylazine
Xylazine, another animal sedative, sometimes shares the “tranq” nickname when cut into fentanyl. Health officials describe medetomidine as being even stronger than xylazine.
Other differences include:
- Wounds: Xylazine use often correlates with skin wounds, but the CDC says medetomidine doesn’t appear to carry that same link.
- Florida law: Xylazine sits on Florida’s Schedule I list, with a carve-out for FDA-approved veterinary products. Medetomidine doesn’t appear on any schedule.
Have Authorities Found Rhino Tranq in Florida?
WUSF reported in May 2026 that drug-checking programs have detected medetomidine statewide, “from Pensacola to Miami,” according to harm reduction workers. One toxicology professor told the outlet that medetomidine is edging out xylazine in the state’s drug supply.
Is Rhino Tranq Legal in Florida?
As of right now, medetomidine isn’t on any federal or Florida drug schedule. But does that make it legal? Let’s have a look at the federal and state standing.
Federal Law and Medetomidine
Neither medetomidine nor dexmedetomidine falls under the federal Controlled Substances Act. However, the CDC reiterates that medetomidine is cleared only for canine use, not human.
Florida Law and Medetomidine
Medetomidine isn’t listed in Florida’s controlled substance schedules. Dealers typically mix it into fentanyl, though, which is a Schedule II substance under Florida law. Remember that statutes shift over time; always confirm the current version of Florida law.
Florida’s New Xylazine Law: Any Link?
Florida lawmakers passed CS/SB 432 in 2026, which specifically addresses xylazine. The bill singles out certain FDA-approved xylazine products from Schedule I as exempt, for specific uses only. This law also creates a new trafficking charge tied to xylazine. But medetomidine isn’t mentioned.
Rhino Tranq Side Effects and Risk of Overdose
There are several dangerous side effects tied to rhino tranq use. It may cause:
- An extremely slow heartbeat, dropping as low as 32 beats per minute
- Dangerously low blood pressure
- Deep, prolonged sedation
Fentanyl is of course a factor in most overdoses involving medetomidine, since they’re found together so often. It’s been flagged as a risk in terms of developing dependence, too.
Does Narcan Work on Rhino Tranq?
Naloxone, sold as Narcan, reverses opioids like fentanyl, but has no effect on medetomidine on its own. That means someone could stay sedated even after receiving it.
Give naloxone anyway if you suspect an overdose. The CDC still recommends it to help restore breathing. Call 911 immediately and stay with the person until responders take over.
Rhino Tranq Withdrawal: Why It’s So Dangerous
Quitting medetomidine suddenly after regular use can trigger severe withdrawal, and this may require emergency or intensive care. Symptoms can begin within hours of last use, and may include:
- A racing pulse
- Dangerously elevated blood pressure
- Shifts in alertness
- Shaking or tremor
- Chest pain
- Intense nausea and vomiting
Because withdrawal can turn into a medical emergency, don’t try to quit alone. Call 911 if someone is experiencing severe chest pain or difficulty breathing.
Fentanyl Addiction Treatment in Florida
Rhino tranq is mostly found mixed into the illegal fentanyl supply. Professional treatment can greatly increase the odds of lasting recovery if you or a loved one is struggling with fentanyl use.
At our Miramar facility, Florida Helps provides fentanyl treatment built around medically supervised detox. Our medical team may use buprenorphine, methadone, or anti-anxiety medications during this stage. Psychiatrists, counselors, and therapists check in regularly.
Around-the-clock nursing keeps clients safe through detox. Once that phase wraps up, care can continue with:
- Medication-assisted treatment, which pairs monitored medications with counseling
- Residential care, offering daily therapy and support at any hour
Explore our approach to opioid addiction treatment, or start a free insurance check with our admissions team.
Rhino Tranq FAQs
Is Rhino Tranq the Same as Xylazine?
No. Rhino tranq refers to medetomidine, while xylazine, often nicknamed “tranq,” is a separate animal sedative. Officials consider medetomidine the more potent of the two.
Is Rhino Tranq Legal in Florida?
Medetomidine sits outside Florida’s controlled substance schedules as of September 16, 2026, and it isn’t federally regulated either. That said, it’s not approved for human use, and is typically found alongside fentanyl, a Schedule II substance in Florida.
Does Narcan Work on Rhino Tranq?
Naloxone counters opioids such as fentanyl but does nothing against medetomidine. The CDC still recommends giving it during any suspected overdose.
Is Rhino Tranq in Florida?
Yes. Testing has revealed medetomidine is being used throughout the state, from Pensacola down to Miami.
Get Confidential Help at Florida Helps
If you’re ready to find your way back, reach out to us today. You don’t have to handle fentanyl addiction alone. Our admissions staff picks up any hour, day or night, at (866) 931-9677.
Sources
- Centers for Disease Control and Prevention, Health Alert Network (2026) Medetomidine in the U.S. Illegal Fentanyl Supply Increasing Risk for Overdose and Severe Withdrawal Syndrome. CDCHAN-00527. Available at: https://www.cdc.gov/han/php/notices/han00527.html (Accessed September 18, 2026).
- Snyder, D. and Fox, A. (2024) Philadelphia Health Officials Issue Alert Over Potent Sedative Called “Rhino Tranq” Found in Illicit Drug Supply. CBS Philadelphia. Available at: https://www.cbsnews.com/philadelphia/news/rhino-tranq-medetomidine-xylazine-philadelphia-drugs-kensington/ (Accessed September 18, 2026).
- U.S. Drug Enforcement Administration, Diversion Control Division (2026) Medetomidine (Including Dexmedetomidine). Available at: https://www.deadiversion.usdoj.gov/drug_chem_info/medetomidine/Medetomidine.pdf (Accessed September 18, 2026).
- Florida Legislature (n.d.) Section 893.03, Florida Statutes: Standards and Schedules. Available at: https://www.leg.state.fl.us/Statutes/index.cfm?App_mode=Display_Statute&URL=0800-0899%2F0893%2FSections%2F0893.03.html (Accessed September 18, 2026).
- The Florida Senate (2026) CS/SB 432 (2026): Intoxicating Substances. Available at: https://www.flsenate.gov/Session/Bill/2026/432 (Accessed September 18, 2026).
- Goñi-Lessan, A. (2026) Florida’s Drug Overdose Deaths Continue to Decline in 2025. WUSF. Available at: https://www.wusf.org/health-news-florida/2026-05-15/floridas-drug-overdose-deaths-continue-to-decline-in-2025 (Accessed September 18, 2026).
