Water bead ingestions in young children surged more than 6500% from 2019 to 2023

Water bead ingestions among young children increased sharply in the United States between 2019 and 2023, according to a new study published in Academic Pediatrics, with investigators reporting more than 20,000 exposures over a 6-year period and documenting cases requiring surgery, ventilatory support, and intensive care.^1,2

Researchers analyzed National Poison Data System data from 2019 through 2024 and identified 20,279 water bead ingestions among children younger than 6 years. The annual ingestion rate increased by 6531.5% from 2019 to 2023 before decreasing by 23.5% in 2024.

Water beads are superabsorbent polymers that can expand to hundreds of times their original size when exposed to fluid. They have been marketed for sensory play, toy gel blasters, decorations, and hydration products. Investigators noted that once ingested, the beads may enlarge within the gastrointestinal tract and cause bowel obstruction or other serious complications.

“Although swallowing objects and putting them into an ear or the nose are common behaviors among children, water beads pose a unique risk of harm because of their expanding properties, and they’re hard to detect with x-rays,” said Gary Smith, MD, DrPH, senior author of the study and director of the Center for Injury Research and Policy at Nationwide Children’s Hospital.

“Additionally, because they are sold in sets of tens of thousands, misplaced water beads in the home are likely not to be noticed until found by an exploring child, a group known for exploring their environment by placing objects in their mouths.”

Most ingestions occurred in children younger than 3 years

Children younger than 3 years accounted for 66.5% of reported ingestions, with the highest proportion occurring among children aged 1 and 2 years. Most exposures occurred in a residential setting.

Although 79.9% of cases were not treated in a health care facility, nearly 19% were treated and released, while 191 children required hospital admission. Twenty children were admitted to critical care units.

Most children either had no clinical effects or were judged unlikely to develop significant toxicity. However, 58 children experienced moderate or major medical outcomes.

Investigators reported that 30 children required surgical intervention, and 3 required ventilatory support or vasopressors.

Among children with recorded symptoms, the most common clinical effects were vomiting, cough or choking, and abdominal pain.

One child described in the study developed bowel obstruction and sepsis after ingesting a single water bead and required multiple surgeries, mechanical ventilation, and vasopressor support during an approximately 1-month hospitalization.

New federal regulations may have contributed to decline

Investigators noted that the decrease in ingestion rates observed from 2023 to 2024 may reflect growing public awareness, retailer actions, product recalls, and new federal regulations targeting water bead safety.

In March 2026, a new Consumer Product Safety Commission (CPSC) safety standard took effect that reduced the allowable hydrated bead diameter from 20 mm to 5 mm and established toxicity testing requirements.

“Many parents and professionals who work with children are not aware that water beads can be harmful to children,” said Hannah Hays, MD, coauthor of the study and medical director of the Central Ohio Poison Center. “We applaud the efforts of many retailers and the new federal regulations, but we know many people who work with children already own and use these products. If children younger than 6 years or children with developmental delays live in or visit your home, keep water beads out of your home. Talk with your child care directors, preschool teachers, therapists, and others who may be using water beads with young children to discourage their use.”

Investigators emphasized that prevention remains the most important strategy for reducing injuries associated with water beads.

“Primary prevention of water bead ingestion is paramount, given the overall rising incidence of reported water bead ingestions, potential for delayed diagnosis, and the possibility of severe morbidity and even mortality,” said Natalie Rine, PharmD, coauthor of the study and director of the Central Ohio Poison Center. “All health care providers should become familiar with the new CPSC regulation for water bead safety and continue to educate parents and child caregivers about the hazards of water beads to help keep young children safe.”

References

1. Meagher M, Hays HL, Kistamgari S, et al. Water bead ingestions among young children, 2019-2024. Acad Pediatr. Published online April 30, 2026. doi:10.1016/j.acap.2026.103311

2. Study shows sharp rise in rate of water bead ingestions among young children. Nationwide Children's Hospital. April 30, 2026. Accessed May 7, 2026. https://www.eurekalert.org/news-releases/1126557