As the temperature drops, so does our thirst – a seemingly harmless change that could be setting the stage for a painful health crisis. Recent studies have shown that reducing water intake during the winter months can increase kidney stones In cases, some areas have reported an increase of up to 30% in diagnoses during the cold season. We spoke to Dr PS Wali, Head and Senior Consultant Nephrologist, AINU, Dilsukhnagar, Hyderabad about this.

He explains how urologists and nephrologists across the country are sounding the alarm on this often overlooked health risk of winter. “Medical experts warn that lack of adequate water in the body can cause urine to become concentrated, leading to the accumulation of unwanted substances and minerals, which can lead to the formation of kidney stones,” he said.

This cold-related dehydration is not only uncomfortable — it’s also dangerous. Kidney stones affect 1 in 10 people during their lifetime, and more than half a million Americans seek emergency treatment each year. The pain of passing kidney stones is associated with childbirth, making prevention important. The connection between seasonal changes and kidney health is not new.

Research published in the National Library of Medicine showed that urinary calcium levels are significantly higher during the winter months for both men and women, increasing the risk of stone formation. This seasonal variation suggests that our bodies may require different hydration strategies throughout the year.

Interestingly, the treatment of kidney stones has a rich history dating back to ancient times. In 600 BC, Sushruta, chief physician to the king of India, first attempted to remove a stone through the urethra using a splint.

This early medical advancement paved the way for modern treatments, shedding light on the long-standing battle against this painful condition.

How to prevent kidney stones?

Health professionals recommend drinking at least 2 liters (8 cups) of water per day, increasing to 3 liters (12 cups) for people with a history of kidney stones. This simple habit can dramatically reduce the risk of stone formation by diluting the urine and flushing out potentially crystal-forming minerals.

In addition to hydration, small changes in diet can make a big difference. Surprisingly, calcium-rich foods are recommended, as they bind to oxalate in the intestines, reducing the risk of calcium oxalate stones – the most common type. Additionally, increasing magnesium and citrate intake can prevent stone formation, potassium citrate is often prescribed to increase urinary citrate levels and reduce the rate of stone formation. As we gear up to escape the winter chill, let’s not forget to stay hydrated. Good hydration can keep kidney stones — and kidney doctors — away.

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