Is there a link between hot weather and kidney stones?

Did you know that scorching temperatures can make you more prone to kidney stones?

By URLife Team
05 Jul 2024

Kidney stones are solid formations within the kidney, made up of crystal-forming acid salts and minerals. These tiny crystals can integrate into larger stones, causing excruciating pain. A 2023 study in the journal Cureus, found that about 12 per cent of people in India have kidney stones. Men have an 11 per cent chance of getting kidney stones, and women have a 9 per cent chance.

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Severe pain in the back or abdomen, nausea, and blood in the urine can all be signs that a kidney stone may be moving through your system. But why is it more likely to happen during summer?

 A 2018 study by the Ohio State University, says that it’s more likely for people to get kidney stones during summer because they can become dehydrated in the hot weather. Dehydration can lead to the formation of kidney stones. Kidney stones are made up of small particles from urine in the kidneys. When you don’t drink enough fluids, these particles can stick together and form larger stones. Some of these stones might not cause any problems, but others can be painful when they start moving. If a stone blocks the tube that carries urine from the kidney to the bladder, it can make urine back up into the kidney, which can be very uncomfortable.

The pain may be erratic. As the stone shifts, it can temporarily alleviate the pressure from blocked urine, providing momentary symptom relief. Doctors now have better ways to treat kidney stones without surgery. They can use lasers or ultrasound to break up the stones. The tiny pieces can then be removed by the doctor without making any big cuts. 


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Causes of Kidney Stone 

  • One of the main factors contributing to the formation of kidney stones is dehydration. One of the main factors contributing to the formation of kidney stones is dehydration. Drinking enough water is crucial for preventing kidney stones. When a person does not drink enough water, his urine becomes concentrated, making it easier for kidney stones to form. By staying hydrated, one can protect themselves from this painful condition.
  • High consumption of sugar and salt can raise the likelihood of developing kidney stones. Particularly, an increased intake of high fructose, often present in high-fructose corn syrup and table sugar, significantly contributes to the risk of developing stones.
  • Obesity is also linked to an increased risk of kidney stones. Excess body weight can lead to various metabolic changes that can increase the excretion of calcium and other substances into the urine, thereby promoting the formation of stones. 
  • Interestingly, both insufficient and excessive physical activity can contribute to the formation of kidney stones. Therefore, it's important to maintain a healthy balance when it comes to exercise. 
  • Furthermore, certain medical conditions and procedures can also be contributing factors. For example, individuals who have undergone weight loss surgery may have an increased risk of developing kidney stones. 
  • Additionally, having a family history of kidney stones can make someone susceptible to developing them as well. Infections can also lead to the formation of kidney stones. For instance, some kidney stones are caused by urinary tract infections that create an environment conducive to the formation of stones. 

It's essential to be aware of these factors in order to take preventive measures and make lifestyle adjustments to reduce the risk of developing kidney stones.


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How can kidney stones be prevented?

Preventing kidney stones is all about proper nutrition and hydration. By drinking extra fluids, you can dilute the substances in urine that cause stones. Certain drinks, like orange juice and lemonade, contain citrate, which helps prevent stones from forming and growing.

Here are some tips to help you and your loved ones stay stone-free:

  • Drink More Water: Proper hydration ensures these particles remain small and are easily expelled from the body. Drink at least two litres of fluid daily, increasing intake during hot weather. Consume four cups of water in the morning, afternoon, and evening.
  • Eat Foods High in Oxalates: It's important to be mindful of foods high in oxalates if you are prone to forming calcium oxalate stones. Limit your intake of spinach, soy products, black tea, nuts, and chocolate to effectively manage your condition.
  • Cut Back on Salt: Reducing salt in your diet can lower your risk of health issues, including high blood pressure and kidney stones. Consuming high levels of salt can lead to the formation of kidney stones, so it's essential to be mindful of your salt intake.
  • Maintain a Healthy Weight: Aim for a balanced weight to minimise your risk of stone formation. Being overweight can increase the risk of developing kidney stones, so it's important to maintain a healthy weight through a balanced diet and regular physical activity.
  • Eat Fresh Produce: Increasing your intake of fruits and vegetables can provide beneficial nutrients that support overall health, including the health of your kidneys. These fresh produce items are rich in vitamins, minerals, and antioxidants, which can help protect against certain health conditions, including kidney stones. 


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Since kidney stone pain tends to increase in the summer, it’s crucial to stay well-hydrated to reduce the risk and discomfort. By following the above tips, you can take proactive steps to support the health of your kidneys and overall well-being. Book consultation with a doctor at UR.Life to determine the best treatment options for you, including over-the-counter products and home remedies. Those with kidney disease might need to monitor their intake of sodium, potassium, or other minerals, depending on the disease stage and other factors.


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