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How long till kidney infection goes away?

After taking antibiotics, you should feel completely better after about two weeks. In rare cases, a kidney infection can cause further problems.

nhsinform.scot - Kidney infection - Illnesses & conditions - NHS inform
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A kidney infection (pyelonephritis) is a painful and unpleasant illness caused by bacteria travelling from your bladder into one or both of your kidneys. It's more serious than cystitis, a common infection of the bladder that makes urinating painful. If treated promptly, a kidney infection doesn't cause serious harm, but will make you feel very unwell. If a kidney infection isn't treated, it can get worse and cause permanent kidney damage. Symptoms of a kidney infection often come on within a few hours. You can feel feverish, shivery, sick and have a pain in your back or side.

When to see your GP

See your GP if you have a fever and persistent tummy, lower back or genital pain, or if you notice a change to your usual pattern of urination. Most kidney infections need prompt treatment with antibiotics to stop the infection from damaging the kidneys or spreading to the bloodstream. You may also need painkillers. If you're especially vulnerable to the effects of an infection – for example, if you have a pre-existing health condition or are pregnant, you may be admitted to hospital and treated with antibiotics through an intravenous drip.

After taking antibiotics, you should feel completely better after about two weeks.

In rare cases, a kidney infection can cause further problems. These include blood poisoning (sepsis) and a build-up of pus in the kidney called an abscess.

What causes a kidney infection?

A kidney infection usually happens when bacteria – often a type called E. coli – gets into the urethra (the tube which carries urine out of the body) and travels up through the bladder and into the kidneys.

Who's at risk?

Kidney infections are relatively rare. It's estimated that one in every 830 people develops a kidney infection each year in the UK. They can happen at any age, but are much more common in women. In fact, women are six times more likely to get a kidney infection than men. This is because a woman's urethra is shorter, making it easier for bacteria to reach the kidneys. Younger women are most at risk because they tend to be more sexually active, and having frequent sex increases the chances of getting a kidney infection. Younger children are also vulnerable to developing kidney infections because they may be born with an abnormality of the urinary tract or have a condition called vesico-ureteric reflux, where there is a backflow of urine from the bladder up to the kidneys.

Can kidney infections be prevented?

You can reduce your chances of developing a kidney infection by keeping your bladder and urethra free from bacteria. This can include drinking plenty of fluids, keeping your genitals clean and treating any constipation.

Read more about preventing a kidney infection

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Can kidney infection go away by itself?

Kidney infections can lead to serious complications if untreated so it is important to see a doctor and not wait to see if the infection goes away on its own.

emedicinehealth.com - Can A Kidney Infection Go Away on Its Own? Symptoms - eMedicineHealth

What Is a Kidney Infection?

Kidney infections can lead to serious complications if untreated so it is important to see a doctor and not wait to see if the infection goes away on its own. Treatment for kidney infections depends on the severity of the infection and the patient’s overall health. A kidney infection (pyelonephritis) is a type of urinary tract infection that affects the kidneys. Bacteria and viruses usually first infect the bladder and then move up into the kidneys. Kidney infections may occur in one or both kidneys, are less common than bladder infections, and they occur more frequently in women than men.

What Are the Symptoms of a Kidney Infection?

Symptoms of a kidney infection include:

Fever

Chills

Pain in the flank (side of the lower back, where the kidney is located)

Groin pain

Nausea

Vomiting

Burning or pain with urination

Frequent urination

Urinary urgency

Bloody or cloudy urine

Foul-smelling urine

Pain above the pubic bone (near the bladder)

In men, the infection can also involve the prostate, which might cause pain in the pelvis or perineum (the area between the anus and scrotum)

Confusion

Hallucinations

Jumbled speech

If you have any symptoms of a kidney infection see a doctor because delaying treatment can lead to serious complications such as sepsis.

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