The cheapest high in the cocaine economy
Paco (Argentina, Uruguay), basuco (Colombia) and oxi (Brazil) are regional names for the same thing: cocaine base paste — a crude intermediate product of cocaine manufacturing, packed with leftover solvents and chemicals, smoked rather than snorted.
Where crack cocaine is at least washed and processed, paco is the unwashed residue: cocaine base still carrying kerosene, sulfuric acid, calcium carbonate and whatever else was used in the jungle lab. It sells for $0.50–$2 per hit — deliberately priced below crack, and catastrophically affordable.
How it conquered the slums
Paco exploded in Argentina's villas miserias (shantytowns) in the early 2000s, after the country's economic collapse made even cheap drugs unaffordable — except this one. The pattern repeated across the region:
- - Colombia: basuco has been entrenched in cities like Medellín, Cali and Bogotá since the 1990s — the domestic byproduct of being the world's cocaine producer.
- - Brazil: oxi ("oxidized") appeared in Amazon border states around 2005 and spread along river and road trafficking routes.
- - Argentina/Uruguay: paco became the signature drug of urban poverty, with consumption visible on the streets of Buenos Aires.
The economics are brutal: producer countries sit on mountains of paste, and selling the waste product to their own poorest citizens is more profitable than discarding it.
Why it is worse than crack
- - Solvent and acid residues burn the lungs, mouth and throat with every hit — chronic users develop destroyed dentition, respiratory damage and chemical burns.
- - The high lasts 1–5 minutes — shorter than crack — driving binges that can run for days and consume every peso a user has.
- - Rapid severe addiction: treatment providers describe paco dependence as among the fastest-developing and hardest to treat they see.
- - Violence and psychosis arrive early — the paranoia and aggression of stimulant binges, in neighborhoods with no treatment infrastructure.
What use looks like
A hit is smoked in a makeshift pipe, often shared. Users describe an overwhelming rush followed within minutes by an equally overwhelming need for another hit. Binge users stop eating and sleeping; weight loss is dramatic and fast. Many users are teenagers; outreach workers report users as young as 10–12 in the worst-affected neighborhoods.
The harm-reduction reality
- - The pipe burns are the least of it — the chemical residues are the poison. There is no "safer" way to smoke a solvent-contaminated product.
- - Stimulant overdose is real: chest pain, seizures, hyperthermia and psychotic breaks need medical help, not restraint.
- - Argentina and Brazil run community-based treatment models (including therapeutic communities and substitution-free outpatient programs) — access is patchy but exists.
- - Recovery is possible and common with support; the drug's grip is fast, but so is the body's recovery once use stops.
Sources: UNODC World Drug Report; OAS/CICAD hemispheric drug reports; Argentine SEDRONAR reporting; Brazilian Fiocruz research; Inter-American Drug Abuse Control Commission.
Related: [Paco/basuco drug profile](/drugs/paco-basuco/) · [Crack cocaine](/drugs/crack/) · [Cocaine](/drugs/cocaine/) · [Coca leaf vs cocaine](/drugs/coca-leaf/) · [Help lines by region](/hotlines/)