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The Daily Insight

Can a UTI kill the elderly

Author

Rachel Hickman

Published Mar 05, 2026

Urinary tract infections, or UTIs, are more than a painful medical condition. Left untreated, these infections can spread through the body. The leading cause of sepsis, an untreated UTI can ultimately result in death.

What are symptoms of severe UTI in elderly?

  • a more urgent need to urinate.
  • increased urination.
  • burning, pain, or discomfort when urinating.
  • feeling pressure in the lower abdomen or pelvis.
  • cloudy, thick, or odorous urine.
  • the bladder not feeling empty after urination.
  • fever.
  • pain in the lower abdomen, flank, or back.

How do I know if my UTI has turned into sepsis?

If you have the following symptoms, you may have sepsis: Respiratory (breathing) rate is equal to 22 breaths per minute or higher. Systolic blood pressure is equal to or less than 100 millimeters of mercury (mm Hg) Abnormal white blood cell count (either too high or too low)

Is dying from a UTI common?

Up to 31 percent of sepsis cases start as urinary tract infections, leading to as many as 1.6 million deaths in the U.S. and Europe. The actor Tanya Roberts died from a urinary tract infection that developed into sepsis, an outcome that is more common than realized, especially among older women, doctors say.

What happens if UTI goes untreated for months?

When left untreated, the infection from a UTI can actually move throughout the body—becoming very serious and even life threatening. If you do not treat a bladder infection, it may turn into a kidney infection, which can then result in a more serious infection that’s moved into the blood stream.

What happens if you have a UTI for too long?

The main danger associated with untreated UTIs is that the infection may spread from the bladder to one or both kidneys. When bacteria attack the kidneys, they can cause damage that will permanently reduce kidney function. In people who already have kidney problems, this can raise the risk of kidney failure.

Can UTI in elderly cause dementia?

UTIs, or urinary tract infections, can cause changes in people living with Alzheimer’s disease and other dementia.

What happens if a UTI goes untreated for a week?

Treating UTI If left untreated for long, the worsening symptoms can lead to permanent kidney damage and septic shock where some of the organs stop functioning.

Can a UTI turn into sepsis?

Untreated urinary tract infections may spread to the kidney, causing more pain and illness. It can also cause sepsis. The term urosepsis describes sepsis caused by a UTI. Sometimes incorrectly called blood poisoning, sepsis is the body’s often deadly response to infection or injury.

What are the red flags for sepsis?

Severe breathlessness or sleepiness. It feels like you’re going to die or pass out. Skin mottled or discoloured. An extremely high or a very low temperature; repeated vomiting; seizures; and a rash which doesn’t fade when you press a glass against it are also possible ‘red flags’.

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How long can you have sepsis before it kills you?

Sepsis is a bigger killer than heart attacks, lung cancer or breast cancer. Sepsis is a bigger killer than heart attacks, lung cancer or breast cancer. The blood infection is a fast killer too.

How do I know if my UTI has reached my kidneys?

  1. Fever.
  2. Chills.
  3. Back, side (flank) or groin pain.
  4. Abdominal pain.
  5. Frequent urination.
  6. Strong, persistent urge to urinate.
  7. Burning sensation or pain when urinating.
  8. Nausea and vomiting.

How fast does UTI spread to kidneys?

Symptoms of kidney infection usually appear two days after infection. Your symptoms may vary, depending on your age. Common symptoms include: pain in your abdomen, back, groin, or side.

What can a UTI do to an elderly person?

An untreated UTI can spread to the kidneys, which is a more severe infection. UTIs can also lead to sepsis, which can be fatal. UTIs cause more than half the cases of urosepsis among older adults.

What are the 3 stages of sepsis?

The three stages of sepsis are: sepsis, severe sepsis, and septic shock. When your immune system goes into overdrive in response to an infection, sepsis may develop as a result.

How long does it take elderly to recover from UTI?

Treatment typically lasts no more than 7 days, and your infection should clear up in a few days. It’s important to drink plenty of water during treatment to help flush out the remaining bacteria. People who have two or more UTIs in 6 months or three or more UTIs in 12 months can use prophylactic antibiotics.

How does a UTI affect the brain?

UTIs can cause sudden confusion (also known as delirium) in older people and people with dementia. If the person has a sudden and unexplained change in their behaviour, such as increased confusion, agitation, or withdrawal, this may be because of a UTI.

Why does UTI make elderly confused?

This is because as you get older, your immune response changes – it’s part of normal aging. A UTI places stress on the body,” says Dr. Pearson, “and any type of stress, physical or emotional, can cause an older adult to become confused.

What is the longest a UTI can last?

Most UTIs can be cured. Bladder infection symptoms most often go away within 24 to 48 hours after treatment begins. If you have a kidney infection, it may take 1 week or longer for symptoms to go away.

Can a UTI affect your heart?

Researchers have linked infections such as pneumonia and urinary tract infections to an increased risk of having a coronary event, such as a heart attack, or stroke within the next three months.

Can a UTI last for months?

A chronic urinary tract infection (UTI) might also be called a persistent or recurring UTI. According to one study , a doctor will diagnose a recurring UTI (RUTI) if a person has three positive urine cultures during a 12-month period or two infections during the previous 6 months.

What are the early warning signs of sepsis?

  • confusion or disorientation,
  • shortness of breath,
  • high heart rate,
  • fever, or shivering, or feeling very cold,
  • extreme pain or discomfort, and.
  • clammy or sweaty skin.

What are the signs of sepsis in adults?

  • Fever and chills.
  • Very low body temperature.
  • Peeing less than usual.
  • Fast heartbeat.
  • Nausea and vomiting.
  • Diarrhea.
  • Fatigue or weakness.
  • Blotchy or discolored skin.

What can a UTI turn into if not treated?

If your UTI goes untreated, it may progress into a more serious infection. “An untreated bladder infection can become a kidney or prostate infection. These infections are more serious, because they can travel through the blood stream causing sepsis. Sepsis makes people very ill and can even be critical,” Dr.

How do you treat a UTI in the elderly without antibiotics?

  1. Stay hydrated. Getty Images. …
  2. Urinate when the need arises. …
  3. Drink cranberry juice. …
  4. Use probiotics. …
  5. Get enough vitamin C. …
  6. Wipe from front to back. …
  7. Practice good sexual hygiene.

What can cause sepsis in elderly?

Any type of infection can cause sepsis, from the flu to an infected bug bite, but the most common infections that trigger sepsis among older people are respiratory, such as pneumonia, or genitourinary, such as a urinary tract infection (UTI).

What is the most common cause of sepsis in the elderly?

Urinary tract infection is the most common cause of sepsis in the elderly and responds best to antibiotic therapy. Pneumonia is the next most common cause and leads to the highest mortality in this age group; rapid (sometimes invasive) methods must be utilized to identify the etiologic agent.

What does sepsis look like?

People with sepsis often develop a hemorrhagic rash—a cluster of tiny blood spots that look like pinpricks in the skin. If untreated, these gradually get bigger and begin to look like fresh bruises. These bruises then join together to form larger areas of purple skin damage and discoloration.

What are the 4 stages of sepsis?

  • patches of discolored skin.
  • decreased urination.
  • changes in mental ability.
  • low platelet (blood clotting cells) count.
  • problems breathing.
  • abnormal heart functions.
  • chills due to fall in body temperature.
  • unconsciousness.

Is sepsis a painful death?

Between 15 and 30 percent of people treated for sepsis die of the condition, but 30 years ago, it was fatal in 80 percent of cases. It remains the main cause of death from infection. Long-term effects include sleeping difficulties, pain, problems with thinking, and problems with organs such as the lungs or kidneys.

What are the chances of surviving sepsis?

As sepsis worsens, blood flow to vital organs, such as your brain, heart and kidneys, becomes impaired. Sepsis may cause abnormal blood clotting that results in small clots or burst blood vessels that damage or destroy tissues. Most people recover from mild sepsis, but the mortality rate for septic shock is about 40%.