When Bubble Tea Turns Dangerous: The Shocking Tale of a Kidney Packed with 300 Stones
It started like any other hospital visit: a 20-year-old woman from Taiwan complained of back pain and fever, symptoms doctors usually associate with a simple infection. But what they uncovered was beyond belief —
her kidney was jam-packed with over 300 stones. This unbelievable medical case has gone viral worldwide, raising a crucial question: how could a sweet tooth and a steady diet of sugary drinks quietly turn her body into a stone factory?
A Routine Checkup Reveals a Medical Marvel
Xiao Yu, a young woman from Tainan, Taiwan, thought she was suffering from an ordinary infection when she arrived at Chi Mei Hospital. But CT scans shocked everyone—her right kidney was literally filled with hundreds of stones, described by medical staff as resembling “trays of tiny steamed buns.”
What made her case extraordinary wasn’t a rare genetic condition or an unusual disorder, but a lifestyle choice: she hadn’t drunk plain water for years. Instead, her hydration came almost exclusively from alcohol, sweetened fruit juices, and bubble tea—a popular, sugary beverage now beloved worldwide.
How Sweet Drinks Set the Stage for Disaster

Bubble tea can be deceptively dangerous. Each cup can pack up to eight teaspoons of sugar, vastly exceeding healthy daily limits. For Xiao Yu, these drinks replaced water altogether, leading to chronic dehydration. Without sufficient water to dilute and flush minerals, her kidneys became overwhelmed, concentrating calcium and other compounds into stones.
The buildup was silent but deadly. Over time, the stones blocked her kidney’s function, leading to infection, fever, and the severe pain that finally drove her to seek help.
The Surgery That Defied Expectations
Doctors performed a percutaneous nephrolithotomy, a minimally invasive surgery where instruments are inserted through the back to extract kidney stones. It took hours to remove every last one of the 300+ stones, ranging in size from tiny grains to clusters two centimeters wide.
Lead urologist Dr. Lim Chye-yang called it “one of the most extreme cases” he had ever seen. Without surgery, Xiao Yu’s kidney could have failed completely, risking blood poisoning and even death.
A Global Warning About Our Sweetened Lifestyles
Doctors in Taiwan removed over 300 kidney stones from a woman who drank bubble tea instead of water pic.twitter.com/Wju1IA2qqg
— Pubity (@pubity) January 15, 2024
Xiao Yu’s case isn’t unique. Worldwide, young people are replacing water with sugary drinks, fueling a rise in kidney stones, obesity, diabetes, and kidney disease. Experts warn that dehydration combined with high sugar intake creates the perfect storm for stone formation.
How Kidney Stones Form — The Science Simplified
Your kidneys filter waste through urine. Without enough water, minerals like calcium crystallize and join to form stones. Small at first, these stones grow, block urine flow, and cause excruciating pain—often described as worse than childbirth. Infection and obstruction, like in Xiao Yu’s case, escalate the danger dramatically.
How to Protect Your Kidneys: Simple, Effective Tips
Drink at least two liters of water daily, especially in warm climates.
Limit sugary beverages — enjoy them only as treats, not replacements for water.
Eat a balanced diet with moderate protein and low salt.
Balance caffeine and alcohol intake with plenty of water.
Hydrate naturally with fruits like watermelon, oranges, and cucumbers.
Carry a reusable water bottle to encourage regular hydration.
Get regular health checkups to monitor kidney health early.
🔹 Conclusion
Xiao Yu’s shocking kidney stone ordeal is a wake-up call for us all. In the quest for convenience and flavor, water—the most vital and simple liquid—has been sidelined. Her story reveals a hidden cost behind trendy drinks and sweet indulgences: serious, sometimes life-threatening damage to our bodies.
If a love of bubble tea can lead to hundreds of kidney stones, the message is clear: water is irreplaceable. Listen to your body, hydrate wisely, and don’t let sweetness come at the expense of your health.