A 56-year-old man experienced respiratory depression, bradycardia, and obtundation after consuming 370mg of CBD gummies purchased at a gas station, requiring overnight hospital monitoring and raising concerns about unregulated CBD product safety.
CBD consumers, emergency physicians, and regulators.
O2 dropped to 78% from gas station CBD gummies
What the researchers found
After consuming 370mg of CBD gummies (from two packages, well above the 30mg serving size), the patient developed slurred speech, vomiting, respiratory depression (O2 sat 78-84%), sinus bradycardia (HR 47), and hypotension (BP 88/52). Comprehensive urine toxicology was negative. He required continuous stimulation to maintain a patent airway and recovered fully by the next morning.
Why it matters
CBD products sold at gas stations and convenience stores are unregulated, with unknown purity and potential contamination. This case shows serious adverse effects from a product the patient believed was safe.
The numbers in context
370mg CBD consumed (two packages). Serving size listed as 30mg. O2 dropped to 78%. Heart rate dropped to 47. Blood pressure 88/52. Full recovery by next morning.
How the study worked
Single case report of a 56-year-old male with no prior substance abuse or significant medical history.
What this study cannot tell us
Single case report. Product contents were not independently verified. The toxicology was only for standard substances and may have missed novel adulterants.
How to read the evidence
Single case report with no independent product verification.
When this study was published
2020 case report.
The bigger picture
The case raises questions about whether the CBD gummies actually contained only CBD, or if they were contaminated with synthetic cannabinoids or other adulterants, which would not appear on standard toxicology screens.
Questions still open
- Was the product actually pure CBD, or was it adulterated? Should unregulated CBD products be subject to mandatory testing?
Common questions
Can CBD gummies be dangerous?
Are gas station CBD products safe?
Read the original research
A Case of Toxicity from Cannabidiol Gummy Ingestion.
Cureus, 12(4), e7688
Citation
Bass, Jessica; Linz, David R. (2020). A Case of Toxicity from Cannabidiol Gummy Ingestion.. Cureus, 12(4), e7688. https://doi.org/10.7759/cureus.7688
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