Summary: Tampons might be hidden sources of toxins like heavy metals and chemicals known to be endocrine disrupters (chemicals that upset hormones). A new study shows that some tampon samples contain all 16 heavy metals in tiny amounts.
Several new studies confirm that tampons contain heavy metals like arsenic, cadmium, chromium, lead, zinc, and others. They also contain many chemicals known to disrupt hormones.
So, should people be worried? Perhaps. Hidden sources of toxins do a lot of damage to health, yet few people talk about them. And because they are hidden, not enough is being done to cut exposure through them.
Unlike medical devices, tampons and sanitary pads are consumer goods. Yes, they are fairly sterile. But they are not regulated as strictly. That means they do not go through such extensive testing.
Of course, these are only traces of toxins. But toxins are more likely to be absorbed from materials in close contact with the urinogenital system (the urinary and genital organs). Another concern is that a person may use thousands of tampons in a lifetime. Some studies estimate that a person may use 11,000 tampons in a lifetime. Other studies put the figure above 15,000.
Since a person may use so many tampons in a lifetime, even small amounts of toxins may add up to a lot of exposure. The effects of that are poorly understood.
One earlier study looked at so-called endocrine-disrupting chemicals in tampons. That study reviewed a large body of data. It found tampons may contain phthalates, parabens, environmental phenols, volatile organic compounds, synthetic fragrances, dioxins, and dioxin-like compounds.
There are very few high-quality studies on the topic. Even so, the review found many hormone disrupters in tampons.
The latest study is even more worrying. It took 2-3 grams from each tampon and then measured the content of heavy metals in them. The researchers found heavy metals like lead, cadmium, and arsenic. In one sample, they found all 16 heavy metals.
The vaginal epithelium (the lining of the vagina) is quite delicate. So researchers worry that these toxins might be reaching the blood. This exposure can concern chronic pain specialists, because toxin buildup could possibly add to systemic inflammation (inflammation all through the body).
So the harm might be greater than once thought. Heavy metals and toxins are found even in tampons labeled as organic.
This is not meant to scare tampon users. It is meant to raise awareness. More research is surely needed to understand the possible harm from these toxins. For those managing pain, like at interventional pain management centers, this information matters.
Tampons contain these toxins only in tiny amounts. But over time, these toxins might build up in the body. People are also exposed to toxins in other ways. So in the long run, many people might be exposed to dangerous amounts of them.
Sure, the human body can fight these toxins and get rid of them. But if the exposure is chronic, frequent, and at higher doses, the body may struggle.
Metabolic disorders are on the rise. So are inflammatory conditions and some rare diseases. That is why it is vital to find all sources of toxins, especially the less obvious ones.
Frequently asked questions
Do tampons contain heavy metals?
Yes, in tiny amounts. A recent study took 2-3 grams from each tampon and measured its heavy metal content. It found metals including lead, cadmium and arsenic. One sample contained all 16 heavy metals. Other studies confirm metals such as chromium and zinc in tampons as well. The amounts are small, but they come from a product used thousands of times.
Are organic tampons free of heavy metals?
No. Heavy metals and other toxins have been found even in tampons labeled organic. So the label does not rule out exposure. Tampons and sanitary pads are sold as consumer goods, not medical devices. They are fairly sterile. But they are not regulated as strictly and do not go through the same extensive testing.
Can chemicals in tampons get into your body?
Researchers are concerned they can. The vaginal lining is delicate. Toxins are more likely to be absorbed from materials in close contact with the urinogenital system. Each tampon holds only traces. But a person may use 11,000 to more than 15,000 tampons in a lifetime. When exposure is chronic and frequent, the body may struggle to clear these toxins. Then they can build up.
What hormone-disrupting chemicals are found in tampons?
A review of the research found that tampons may contain phthalates, parabens, environmental phenols, volatile organic compounds, synthetic fragrances, dioxins and dioxin-like compounds. These are known endocrine disruptors, chemicals that interfere with the body’s hormones. High-quality studies on the subject are few. Yet the review still found many hormone disruptors in tampons.
Dr. Gurpreet Singh Padda, MD, MBA, MHP
