A preschool child developed cannabinoid poisoning symptoms from hemp seed oil prescribed by a pediatrician | Research

The takeaway

A preschool child developed neurological symptoms after three weeks of hemp seed oil prescribed to boost immunity, with THC metabolites detected in urine and very low THC found in the oil, marking the first reported case of hemp oil poisoning from medical prescription in a child.

Read this if you use or prescribe hemp products for children and want to know about potential THC contamination risks.

First reported hemp seed oil poisoning case from medical prescription in a child

What the researchers found

A preschool child was prescribed hemp seed oil by a pediatrician to strengthen the immune system. After three weeks of daily ingestion, the child developed neurological symptoms. Urine testing detected the main metabolite of THC, and chemical analysis confirmed very low concentrations of THC in the hemp seed oil product.

The neurological symptoms resolved after intravenous hydration. After discharge, a possible mild withdrawal syndrome was reported, suggesting the child had developed some level of physiological dependence during the three-week exposure.

The authors noted this as the first reported case of cannabinoid poisoning from medically prescribed hemp seed oil in a preschool child.

Why it matters

Hemp seed oil is marketed as a health supplement and is sometimes recommended by healthcare providers. Even though it should contain only trace THC, this case shows that contaminated or poorly quality-controlled products can cause cannabinoid effects in small children, who are more sensitive due to lower body weight and immature metabolism.

The numbers in context

Exposure: 3 weeks daily hemp seed oil. THC metabolites detected in urine. Very low THC concentration in the product. Symptoms: neurological (resolved with IV hydration). Possible mild withdrawal after cessation.

How the study worked

Case report documenting the clinical presentation, treatment, and laboratory findings of a single pediatric patient. Urine toxicology and product analysis were performed.

What this study cannot tell us

Single case report. The exact THC concentration in the oil was described as "very low" without precise quantification in the abstract. The child's symptoms could have other explanations. The reported withdrawal syndrome after discharge was not formally assessed.

How to read the evidence

Single case report. Documents an important safety event but cannot establish how common this risk is.

When this study was published

Published in 2017. Quality control standards for hemp food products have since received more regulatory attention.

The bigger picture

As hemp products proliferate in health food markets, quality control becomes critical. Adults may tolerate trace THC without noticing effects, but children can be affected by amounts too small to register on standard product labeling. This case underscores the need for rigorous testing of hemp products intended for pediatric use.

Questions still open

How common are low-level THC contaminations in commercial hemp seed oil products? Should hemp products carry warnings about pediatric use? What THC threshold is safe for children's consumption?

Common questions

Is hemp seed oil safe for children?

Hemp seed oil should contain only trace amounts of THC. However, this case shows that quality control failures can result in products with enough THC to affect a small child. Parents should use products with verified third-party testing if giving hemp products to children.

How is hemp seed oil different from CBD oil?

Hemp seed oil is pressed from hemp seeds and primarily contains fatty acids and nutrients, with minimal cannabinoids. CBD oil is extracted from hemp flowers and leaves and is specifically formulated to contain cannabidiol. They are different products, though both come from the cannabis plant.

Read the original research

Cannabinoid Poisoning by Hemp Seed Oil in a Child.

Pediatric emergency care, 33(5), 344-345

View on PubMed ↗Publisher’s paper ↗

Citation

Chinello, Matteo; Scommegna, Salvatore; Shardlow, Alison; Mazzoli, Francesca; De Giovanni, Nadia; Fucci, Nadia; Borgiani, Paola; Ciccacci, Cinzia; Locasciulli, Anna; Calvani, Mauro. (2017). Cannabinoid Poisoning by Hemp Seed Oil in a Child.. Pediatric emergency care, 33(5), 344-345. https://doi.org/10.1097/PEC.0000000000000780