Here’s another reason to avoid taking unnecessary antibiotics

(Jamie Ducharme/ Time) —  Taking certain oral antibiotics may come with an unpleasant side effect, according to new research.

A study published Thursday in the Journal of the American Society of Nephrology found that taking any of five types of oral antibiotics was associated with a significantly higher risk of developing kidney stones — mineral and salt deposits that form in the kidneys and must be passed through the urinary tract.

Kidney stones have grown much more common over the past few decades without a clear explanation as to why. The condition is, however, associated with bacterial changes in the intestines and urinary tract, leading investigators to study the relationship between antibiotics and kidney stones.

Researchers examined the electronic health records of more than 13 million people who sought care in the United Kingdom between 1994 and 2015. They narrowed the sample to nearly 26,000 patients diagnosed with kidney stones, and a control group of almost 260,000 people without kidney stones. (…)

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