Heatwaves in India: How Rising Temperatures Are Causing Kidney Problems and UTIs

Dr Jitendra Sakhrani

As heatwaves intensify across India, rising temperatures are not just causing dehydration—they are increasingly linked to kidney problems and urinary tract infections (UTIs). Understanding the risks and following expert-recommended tips can help you stay healthy during these scorching days.

How Heat Affects Kidneys and Urinary Health

Just like extreme heat can trigger heart crises, it can also lead to a surge in kidney-related issues. Excessive heat causes dehydration, which reduces blood flow to the kidneys and stresses these vital organs. This creates conditions conducive to kidney stones, acute kidney injury, or worsening of existing kidney disease.

Who is most at risk?

• Urban populations
• Outdoor workers
• Older adults

Signs of kidney problems:

• Lower back pain
• Reduced urine output
• Swelling in hands or feet
• Fatigue or nausea
• Dizziness or confusion (in severe cases)

If untreated, kidney issues can escalate to kidney failure, electrolyte imbalance, or long-term damage requiring dialysis.

Heatwaves and Urinary Tract Infections

Dehydration also increases the likelihood of UTIs, as bacteria multiply more easily in the urinary tract. Factors like infrequent urination and poor hygiene can worsen the condition.

Common UTI symptoms include:

• Burning sensation while urinating
• Frequent urges to urinate
• Cloudy or foul-smelling urine
• Lower abdominal discomfort
• Fever

Untreated UTIs may spread to the kidneys, causing pyelonephritis, a serious infection that can be life-threatening.

Expert Tips to Protect Your Kidneys and Prevent UTIs

Hydration is crucial: Drink 2-3 litres of water daily to keep kidneys functioning optimally and flush out bacteria.

Lifestyle and diet adjustments:

• Limit caffeine and alcohol, which can worsen dehydration
• Maintain good personal hygiene
• Urinate regularly to prevent bacterial buildup
• Wear breathable clothing to reduce UTI risk
• Moderate salt intake for kidney health
• Avoid prolonged sun exposure; rest during peak heat hours

Medical advice: Seek timely medical help if you experience symptoms of kidney issues or UTIs. Early diagnosis and treatment, such as antibiotics for UTIs or hydration therapy for kidney problems, can prevent serious complications.

Stay Healthy This Summer

This summer, prioritize your kidney health and urinary hygiene. Simple precautions, including proper hydration, diet management, and sun safety, can significantly reduce the risk of kidney problems and UTIs. Protect your health and enjoy the sunny days safely.

Dr Jitendra Sakhrani is a Urologist at Apollo Spectra Mumbai