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Research Review

Increase in Unintentional Marijuana Ingestion Among Children After New Laws

Following modification of drug enforcement laws for possession of marijuana in Colorado, there was an apparent increase in unintentional marijuana ingestions by young children, according to a report and accompanying editorials published Online First by JAMA Pediatrics.

Several states and Washington, DC, have enacted laws to decriminalize medical marijuana and two states, Colorado and Washington, have passed amendments to legalize the recreational use of marijuana. In late 2009, the Justice Department issued a policy instructing federal prosecutors not to seek arrest of medical marijuana users and suppliers, if they were complying by state laws. According to background information in the study, tetrahydrocannabinol, the active chemical in marijuana, is incorporated into medical marijuana products in higher concentrations. “In addition, medical marijuana is sold in baked goods, soft drinks, and candies,” the authors noted.

George Sam Wang, MD, from the Rocky Mountain Poison and Drug Center in Denver, and colleagues compared the proportion of marijuana ingestions by young children who sought care in a children’s hospital emergency department before and after the modification of drug enforcement laws in October 2009 regarding medical marijuana possession. A total of 1,378 patients younger than the age of 12 were evaluated for unintentional ingestions: 790 patients before September 30, 2009, and 588 patients after October 1, 2009.

“The proportion of ingestion visits in patients younger than 12 years (age range 8 months to 12 years) that were related to marijuana exposure increased after September 30, 2009, from 0 of 790 to 14 of 588,” the authors reported. “Eight of the 14 cases involved medical marijuana, and 7 of these exposures came from food products.” The authors noted most of the children were male and were admitted to or observed in the emergency department. “Because of a perceived stigma associated with medical marijuana, families may be reluctant to report its use to health care providers. Similar to many accidental medicinal pediatric exposures, the source of the marijuana in most cases was the grandparents who may not have been available during data collection.”

“Physicians, especially in states that have decriminalized medical marijuana, need to be cognizant of the potential for marijuana exposures and be familiar with the symptoms of marijuana ingestion. This unintended outcome may suggest a role for public health interventions in this emerging industry, such as child-resistant containers and warning labels for medical marijuana,” the authors concluded.

— Source: American Medical Association