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Updated: Feb 4, 2026

Comparing the Effects of Electronic Cigarette Vapor and Cigarette Smoke in a Novel In Vivo Exposure System
Published on: May 24, 2017
E-cigarettes-An unintended illicit drug delivery system
Andreas K Breitbarth1, Jody Morgan2, Alison L Jones2
1Illawarra Shoalhaven Local Health District, Wollongong, NSW, 2500, Australia.
Electronic cigarettes (e-cigarettes) are increasingly used to deliver illicit drugs, posing public health and clinical management challenges. Research confirms e-cigarettes are a viable system for vaping various illicit substances.
Area of Science:
- Toxicology
- Public Health
- Drug Delivery Systems
Background:
- Electronic cigarettes (e-cigarettes) technology has advanced, allowing user modifications in voltage, battery power, and liquid constituents.
- Research has primarily focused on the chemical risks of e-cigarette liquids and vapor, with limited attention to the device as a drug delivery system.
- The potential for e-cigarettes to be used for illicit drug delivery remains under-researched.
Purpose of the Study:
- To assess the risks associated with electronic cigarettes as an illicit drug delivery system.
- To investigate the pharmacodynamics, administration methods, toxicity, and existing use of various illicit drugs via e-cigarettes.
- To analyze evidence from both scientific literature and online forums regarding e-cigarette drug delivery.
Main Methods:
- Systematic literature search and analysis of online illicit drug forums.
- Research focused on pharmacodynamics, usual administration methods, dosage for toxicity, and toxic effects of illicit drugs.
- Inclusion of evidence from both formal medical literature and informal online sources.
Main Results:
- Evidence indicates current use of e-cigarettes for vaping nearly all analyzed illicit drug types.
- E-cigarettes are confirmed as a viable system for the delivery of a wide range of illicit and legal drugs.
- The use of e-cigarettes for illicit drug delivery presents potential population health risks and clinical management issues.
Conclusions:
- Electronic cigarettes represent a significant and emerging public health concern due to their use as an illicit drug delivery system.
- Clinicians and public health officials must be aware of this trend for effective management and intervention.
- The use of e-cigarettes for illicit drug delivery necessitates consideration in drug policing and harm reduction strategies.
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