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Urinary tract infections – Causes, signs, and management

Urinary tract infections – Causes, signs, and management

A urinary tract infection (UTI) develops when bacteria enter the urinary system organs—kidneys, ureters, bladder, and urethra—and grow there. Frequent urination and pain or a burning sensation when passing urine are common symptoms. While the condition isn’t generally serious, one should consult a healthcare professional for timely treatment. That’s because untreated UTIs can spread and cause complications. Since these infections are very common, knowing their symptoms, causes, and preventive measures is recommended.

What is the urinary tract

The urinary tract is made up of the kidneys, ureters, bladder, and urethra. Together, these organs help the body flush out waste and extra fluid.

  • The kidneys filter impurities from the blood and make urine.
  • The ureters are small tubes that carry the urine from each kidney down to the bladder.
  • The bladder works like a storage tank that holds urine until it is time to pass it.
  • The urethra is the final tube through which the urine leaves the body.

What happens during a UTI

During a UTI, bacteria enter the urinary system and begin multiplying, causing an infection. While different types of bacteria can cause an infection, E. coli is among the most common. E. coli usually lives harmlessly in the intestines. Most cases of UTI develop when these bacteria reach the bladder and urethra, which are the lower parts of the urinary tract. When that happens, the lining of the urinary tract gets irritated and inflamed. This leads to several UTI symptoms, such as burning sensation while peeing and frequent trips to the bathroom.

Causes of a UTI

Urinary tract infections usually begin when bacteria reach the urethra’s opening. From there, they travel up into the bladder and, in some cases, further upward. Certain risk factors increase the chances of an infection.

  • Dehydration and low fluid intake lead to more concentrated urine. This creates conditions for harmful bacteria to grow quickly.
  • Certain conditions, such as prostate enlargement, nerve problems, and other urinary conditions, usually prevent the bladder from fully emptying out. The residual urine increases the risk of bacterial growth.
  • Blockages in the urinary tract, such as kidney stones, can interfere with the normal flow of urine, leading to infection.
  • A weakened immune system or a long-term health condition can reduce the body’s ability to fight germs, increasing the risk of infection.

Signs of a UTI

Changes in bathroom habits are one of the most noticeable signs of a urinary tract infection. One feels the urge to use the bathroom more often, but only ends up releasing a small amount of urine. The other UTI symptoms include:

  • Unclear, cloudy urine that smells stronger or unusual
  • Pink or red-colored urine caused by the presence of blood
  • Burning, stinging, or general discomfort during urination (also referred to as dysuria)
  • Pressure or cramping in the lower abdomen or pelvic area that feels different from usual
  • Fever, chills, and pain in the back or side (occurs when the infection reaches the upper urinary tract)
  • Nausea and vomiting (in serious cases that need immediate attention)    

Tips to prevent and manage UTIs

Stay hydrated

Drinking plenty of water throughout the day can dilute the urine, creating an environment where harmful bacteria cannot grow. With proper hydration, bathroom visits also become more regular, helping flush bacteria from the urinary tract.

Maintain healthy bathroom habits

One should avoid holding urine for long periods. When the bladder is emptied regularly, there is less risk of bacterial buildup in the urinary tract.

Wear breathable clothes

Innerwear made of breathable fabrics, such as cotton, can help to maintain dryness and comfort. To reduce the risk of infection, one should change out of damp clothes, such as swimsuits or workout gear, as soon as possible.

Eat foods rich in probiotics and vitamin C

Foods like cranberries, oranges, strawberries, tomatoes, and leafy greens are rich in vitamin C. This vitamin strengthens the immune system and helps fight the infection. Similarly, fermented foods, such as yogurt, kefir, and sauerkraut, contain probiotics (good bacteria) that also help in preventing urinary tract infections.

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