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Symptoms of Urinary Tract Infections in Older Adults

0 2 years ago

Urinary tract infections (UTIs) are a fact of life for a lot of people. Your risk of developing one increases as you age, making UTIs among the most commonly diagnosed infections in people who are older.

UTIs can affect any part of your urinary tract. That includes your:

  • Urethra (the channel you pee through).
  • Ureters (the tube that carries urine from your kidneys to your bladder).
  • Bladder.
  • Kidneys.

“We have a microbiome of normal, healthy bacteria that lives everywhere in our body to help fight off bad bacteria that make us sick. That’s true in the bladder and urinary tract, as well,” says urologist Emily Slopnick, MD. “As we age, that good bacteria can have a harder time fighting off infection for a number of reasons.”

It’s normal for women and people assigned female at birth (AFAB) to develop one or two UTIs each year. But when they appear more often, or when they show up in men and people assigned male at birth (AMAB), they can be cause for concern.

We talked with Dr. Slopnick about spotting and treating UTIs in older adults.

UTI symptoms in older adults

Dr. Slopnick says the classic symptoms of a UTI are pretty similar for people of all ages. They may include:

  • Sudden changes in urinary habits (such as increased frequency or urgency).
  • Pain or burning during urination.
  • Pain or tenderness in your pelvis, lower back or abdomen.
  • Fever.
  • Nausea.
  • Fatigue.

What about confusion and disorientation?

While confusion or disorientation are sometimes associated with UTIs in older adults, particularly those ages 70 or older, Dr. Slopnick says it’s important to understand that a UTI doesn’t necessarily come with any signs of confusion. And signs of confusion don’t necessarily point to a UTI.

Aging naturally increases the incidence of confusion and delirium, especially among those who are cognitively impaired, depressed, malnourished or completely dependent.

“If someone is suddenly showing signs of confusion, your doctor may check for a UTI. But confusion alone isn’t a telltale sign of a UTI,” Dr. Slopnick says. “Other causes should be investigated as well, especially if the person isn’t showing other classic UTI symptoms.”

Why are older adults more prone to UTIs?

Urinary tract infections can happen to anyone. Women and people AFAB who are post-menopausal are at the highest risk, though. And the risk for UTIs continues to grow as you age. Research shows more than 10% of women over the age of 65 report having a UTI each year. That number increases to almost 30% in women over the age of 85.

Hormones play a big part in that. The hormone estrogen in particular helps keep good bacteria healthy and bad bacteria away, Dr. Slopnick says.

“With good estrogen supply, it’s acidic in the vagina, which helps prevent bad bacterial growth,” Dr. Slopnick explains. “After menopause, estrogen levels drop. That causes the skin and tissue between the urethra and the opening of the vagina to get thinner and drier and lose acidity. So it’s easier for bad bacteria to grow and make its way from the vagina or the perineum into the bladder.”

Additionally, the bladder and pelvic floor muscles can lose some of their strength in older adults, making it harder to empty their bladders completely. Stagnant urine in your bladder is a prime breeding ground for bad bacteria to grow.

In older men and people AMAB, conditions like an enlarged prostate can keep their bladder from emptying fully.

UTIs are also more likely if you:

  • Take certain medications.
  • Had radiation or surgery on your pelvis.
  • Use a catheter.
  • Are living with diabetes.

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