Latest reporting
Xylazine Scheduling Didn't Shrink the Tranq Crisis. It Created a Worse One.
A new study links state xylazine scheduling to a surge in medetomidine, a more potent, harder-to-detect veterinary sedative now dominating drug supplies from Philadelphia to the Northeast.
Banning Three Named Chemicals Won't Close the Loophole Selling Opioids as Kratom
The DEA scheduled three synthetic kratom chemicals in August, but the real 7-OH threshold is still a proposal. Arizona's own kratom fix died in the legislature in June. The gap is the point.
DEA Drew a Real Line on Kratom. Whether It Holds Isn't Decided Yet.
The federal comment period on DEA's proposed 0.05% threshold for 7-hydroxymitragynine closed September 10, 2026. Here's the real state of kratom scheduling right now — and what it doesn't change.
Through eight lenses
Science
Alpha-2 agonists (xylazine, medetomidine — veterinary sedatives), nitazenes as μ-opioid agonists (synthesized in 1950s, never approved, re-emerging), kratom mitragynine partial μ-agonist + alpha-2, tianeptine atypical antidepressant with opioid activity at high doses.
Biology
Xylazine causes necrotic skin ulcers characteristic + prolonged sedation not reversed by naloxone; nitazenes act like high-potency fentanyl analogs (naloxone-reversible, higher dosing may be needed); kratom has its own withdrawal syndrome; tianeptine "gas station heroin" causing emergency-dept surges.
Psychology
Dependence patterns mirror the parent class but often with gaps in clinical recognition.
Policy
DEA scheduling scramble — xylazine FDA-declared emerging threat, nitazene analogs being scheduled piecemeal, kratom DEA deferred twice, tianeptine state-by-state patchwork.
Trends
Xylazine now in 48 states' supply; medetomidine identified in Chicago-area 2024; kratom retail boom.
Treatment
Xylazine wound care + opioid co-treatment; nitazene overdose reversal with naloxone; kratom dependence — buprenorphine effective; tianeptine dependence — like opioids.
Harm Reduction
Test strips for xylazine + nitazenes (where available), stay with person during prolonged sedation, don't use alone, high-dose naloxone availability.