Cold temperatures do not directly trigger inflammation of the kidneys or bladder, but they can set the stage for urinary tract infections and related conditions to develop. This nuance was explained by Daria Firsova, a urologist-oncologist at the Fomin Clinic, during an interview summarized for socialbites.ca. (Source: Fomin Clinic)
While it’s true that cystitis, an inflammation of the bladder, or pyelonephritis, an inflammation of the kidneys, are not caused instantly by chill, cold weather can create conditions that favor an infectious process in the urinary tract. It is not about extreme, life-threatening cold—such as plunging into icy water—but about how the body responds to routine winter temperatures. In such contexts, a person might face an elevated risk of acute kidney issues or serious kidney inflammation if other risk factors are present. (Source: Fomin Clinic)
When the body encounters low temperatures, the circulation adapts by redistributing blood flow to preserve core temperature and maintain the function of vital organs. This adjustment can temporarily influence how efficiently the kidneys filter blood and regulate fluids. (Source: Fomin Clinic)
As a consequence, the kidneys may produce more urine, and individuals can experience a heightened urge to urinate. This change in urinary patterns can occur alongside other winter-related factors and may contribute to dehydration if fluid intake is not adequately increased. (Source: Fomin Clinic)
Therefore, maintaining proper hydration becomes especially important in cold weather. Adequate fluid intake supports normal urine production and helps flush the urinary tract, reducing the chance of infection or irritation due to concentrated urine. (Source: Fomin Clinic)
Dehydration is a year-round risk for urinary tract health, but its significance can be underestimated in winter because people sweat less and may not feel thirsty as intensely. The urologist emphasized listening to the body’s signals and drinking fluids when the body asks for them. It’s equally important to urinate when there is a sense of urgency, as delaying urination can create conditions that encourage bacterial growth in the bladder or urinary tract. (Source: Fomin Clinic)
Another practical recommendation is to keep the body’s temperature steady by avoiding both excessive cooling and overheating. A balanced approach to dressing, indoor climate, and activity helps reduce stress on the urinary system and supports overall kidney and bladder health during the colder months. (Source: Fomin Clinic)
In sum, cold weather does not directly cause kidney or bladder inflammation, but it can influence bodily processes in ways that raise the risk of urinary tract infections and related inflammation. Staying hydrated, responding promptly to the urge to urinate, and maintaining a comfortable indoor and outdoor temperature are sensible steps to protect renal and urinary tract health in winter. (Source: Fomin Clinic)