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Study breakdown

US poison control reports for cannabis products rose sharply from 2017 to 2019

Cross SectionalModerate evidence
The takeaway

A cross-sectional analysis of US poison control data from 2017-2019 examined trends in cannabis exposure reports, distinguishing between manufactured products (edibles, concentrates) and plant material, revealing different patient and product characteristics for each.

Public health officials, poison control specialists, cannabis regulators

Cannabis exposures rose from 2017 to 2019 across US poison control centers

What the researchers found

The study documented increasing cannabis exposure reports to US poison control centers from 2017 to 2019, with distinct patterns for manufactured cannabis products versus plant materials in terms of patient demographics and clinical characteristics.

Why it matters

As cannabis markets evolve with new product types, understanding which products generate the most poison control calls and who is affected helps target safety messaging and product regulation.

The numbers in context

National poison control data from 2017-2019; reports stratified by manufactured products vs. plant materials

How the study worked

Cross-sectional analysis of cannabis exposure reports to US poison control centers from 2017-2019, stratified by manufactured cannabis products (edibles, vape products, concentrates) and traditional plant material. Examined trends in patient demographics and product characteristics.

What this study cannot tell us

Poison control data underestimates true exposure rates. Cross-sectional design. Brief report format limits detail on clinical outcomes.

How to read the evidence

National poison control surveillance data with broad coverage but inherent underreporting limitations.

When this study was published

Published in 2021 covering 2017-2019 data.

The bigger picture

The proliferation of manufactured cannabis products with variable potency and appealing formats (edibles, vapes) creates distinct exposure risks compared to traditional plant cannabis, requiring product-specific safety approaches.

Questions still open

  • Which specific manufactured product types (edibles vs. vapes vs. concentrates) drive the most serious exposures? How do outcomes differ between manufactured products and plant material exposures?

Common questions

What types of cannabis products were reported?
The study distinguished between manufactured cannabis products (such as edibles, vape products, and concentrates) and traditional plant material, finding different demographic and clinical patterns for each category.
Why are manufactured products a concern?
Manufactured products like edibles can have delayed onset, variable potency, and packaging that may appeal to children, creating different exposure risks than smoking or vaping plant material.

Read the original research

Trends and Characteristics of Manufactured Cannabis Product and Cannabis Plant Product Exposures Reported to US Poison Control Centers, 2017-2019.

JAMA network open, 4(5), e2110925

Citation

Dilley, Julia A; Graves, Janessa M; Brooks-Russell, Ashley; Whitehill, Jennifer M; Liebelt, Erica L. (2021). Trends and Characteristics of Manufactured Cannabis Product and Cannabis Plant Product Exposures Reported to US Poison Control Centers, 2017-2019.. JAMA network open, 4(5), e2110925. https://doi.org/10.1001/jamanetworkopen.2021.10925

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