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Sustancias peligrosas

Cyclizine (Marzine / Valoid)

Street names: Marzine, Marezine, Valoid, The methadone potentiater

⚡What it does

  • Antihistamínico-anticolinérgico: sedación, disociación leve en dosis altas; potencian los opioides

⚠Key risks

  • La escena de inyección del Reino Unido: la ciclicina es aplastada e inyectada con metadona ("el azul y blanco") - daño severo en los tejidos, abscesos, y la combinación profundiza la depresión respiratoria
  • Carga anticolinérgica en altas dosis - delirio
  • Accesibilidad OTC; barato
  • También se utiliza mal como sedante barato en las cárceles

✚Overdose signs

  • Sedación + signos anticolinérgicos (corazón seco, de carreras)
  • Depresión respiratoria con opiáceos

Comparación de categoría — Sustancias peligrosas

SubstanceClassTop risksStreet price
Cyclizine (Marzine / Valoid)OTC/Rx travel-sickness tablets most countriesTHE UK INJECTING SCENE: cyclizine crushed and injected with methadone ('the blue and white') — severe tissue damage, abscesses, and the combination deepens respiratory depression; Anticholinergic load at high doses — delirium~$0.10–$0.50 per tablet OTC
Potassium Cyanide (KCN)Not a drug — regulated toxic chemicalLethal dose ~200–300 mg — death within minutes to an hour; No antidote available outside hospital; hydrogen cyanide gas from acid contactN/A — sometimes sold fraudulently as 'peaceful exit' scams
Air Duster (Computer Duster / Canned Air)Household product — not a drug; no age restriction on purchaseSUDDEN SNIFFING DEATH — the most deadly inhalant: difluoroethane sensitizes the heart to adrenaline; a sudden fright, chase, or exertion triggers fatal cardiac arrest. First-time users die; Frostbite to lungs and airway from direct spray$3–$8 per can at any electronics/office store
Gasoline / Petrol HuffingNot a drug — fuel productExtremely toxic hydrocarbons (benzene, toluene, xylene); Sudden sniffing death — cardiac arrestEffectively free — siphoned fuel
Glue / Solvent SniffingNot drugs — adhesives and solventsThe CLASSIC youth inhalant — peak use age 14–15; Sudden sniffing death from cardiac arrest$1–$5 per tube/can — pocket money prices
Refrigerant / Freon HuffingNot a drug — HVAC refrigerantEXTREMELY dangerous — refrigerant gases (difluoroethane, tetrafluoroethane) cause sudden cardiac death at high rates; Frostbite to airwaysStolen/siphoned — no price, high death cost
Street prices are regional estimates. Potency and cuts vary constantly.

?Frequently asked questions

What does Cyclizine (Marzine / Valoid) look like?

Comprimidos de 50 mg; Reino Unido: inyectados con metadona en la escena de la 'cyclizine'

What are the signs of a Cyclizine (Marzine / Valoid) overdose?

Sedación + signos anticolinérgicos (corazón seco, de carreras); Depresión respiratoria con opiáceos Call emergency services immediately.

How addictive is it?

La escena de inyección del Reino Unido: la ciclicina es aplastada e inyectada con metadona ("el azul y blanco") - daño severo en los tejidos, abscesos, y la combinación profundiza la depresión respiratoria Dependence can develop with regular use.

🔗Sources & further reading

Facts on this page are compiled from these primary sources. External links open in a new tab.