A new investigation published in Environment & Health has revealed that hospital patients receiving medication or nutrients via IV drips could be unknowingly infused with thousands of harmful plastic particles. Researchers caution that plastic IV bags may be introducing microplastics directly into human bloodstreams.
While microplastics can be consumed through food, water, or air, the study stresses that intravenous infusion offers a more immediate pathway for these particles to enter the body.
Typically, IV fluids are delivered using plastic containers, many made from polypropylene (PP). Although filters are used to minimize contamination, the study found these measures may not be enough.
To conduct the study, scientists tested two widely used brands of 238-gram (8.4oz) IV saline solution bags. After filtering the solution, they identified approximately 7,500 microplastic fragments per bag. In a standard IV drip setup for dehydration treatment, this number could escalate to around 25,000 particles. During surgeries, like abdominal procedures requiring multiple IV bags, the total could exceed 52,000 particles entering a patient’s bloodstream.
Researchers emphasize the urgent need for tighter quality control during the manufacturing of IV solutions to reduce insoluble contaminants like microplastics. They recommend implementing ultra-fine filtration systems and strengthening oversight throughout the pharmaceutical and medical equipment supply chain.
Microplastics, tiny plastic pieces less than five millimeters in size, have been discovered everywhere—from the deepest oceans to the tallest peaks, and even within human organs. Experts call for immediate action, warning that plastic pollution jeopardizes ecosystems and human health alike.
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