Opioids
'Gray Death' (Mixed Opioid Combo)
Street names: Gray death, Grey death
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Composite opioid high — heroin + fentanyl + carfentanil + U-47700 combinations
⚠Key risks
- Named for its appearance AND its kill rate — multiple overdoses per batch
- Component drugs require escalating naloxone doses
- Users don't know what's in it; dealers don't either
- Skin-contact overdose risk for first responders
✚Overdose signs
- Respiratory arrest
- Multiple naloxone doses needed
- Cyanosis
- Cardiac arrest
📋Quick facts
Also known asGray death, Grey death
CategoryOpioids
Schedule / classMixture — components Schedule I/II
AppearanceChunky gray/gray-brown powder resembling concrete mix
Street priceSold as heroin/fentanyl — ~$10–$30 per bag
Legal statusComponents illegal; mixture prosecuted as trafficking
Last updated2026-09-17
Sources: DEA, NIDA, CDC
Category comparison — Opioids
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| 'Gray Death' (Mixed Opioid Combo) | Mixture — components Schedule I/II | Named for its appearance AND its kill rate — multiple overdoses per batch; Component drugs require escalating naloxone doses | Sold as heroin/fentanyl — ~$10–$30 per bag |
| Fentanyl | Schedule II | Respiratory depression; Addiction in days | ~$20–$40 per counterfeit pill |
| Carfentanil | Schedule II | 10,000× morphine potency — 1–2 mg (a few granules) can be fatal to humans; Found mixed into street heroin/cocaine — mass-overdose clusters | N/A — mass-casualty contaminant |
| Heroin | Schedule I | Extremely addictive — physical dependence in weeks; Overdose: breathing slows or stops | ~$10–$40 per bag |
Street prices are regional estimates. Potency and cuts vary constantly.
?Frequently asked questions
What does 'Gray Death' (Mixed Opioid Combo) look like?
Chunky gray/gray-brown powder resembling concrete mix
What are the signs of a 'Gray Death' (Mixed Opioid Combo) overdose?
Respiratory arrest; Multiple naloxone doses needed; Cyanosis Call emergency services immediately and give naloxone if available — it reverses opioid overdoses.
How addictive is it?
Named for its appearance AND its kill rate — multiple overdoses per batch Dependence can develop with regular use.