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Urinary Tract Infection (UTI) Symptoms, Causes, And Remedies

Urinary tract infections (UTIs) happen when microbes such as bacteria overcome the body's defenses in the urinary system. They can cause discomfort and urination problems, but medication and home remedies can often resolve them.

UTIs are one of the most common types of outpatient infections in the United States, leading to more than 8.1 million visits to the doctor every year.

The urinary tract consists of the upper and lower urinary tract. The kidneys and ureters make up the upper urinary tract, and the urethra and bladder make up the lower urinary tract.

UTIs have different names depending on where they occur. For example:

A UTI is a bacterial infection of the urinary tract that can affect:

A UTI is classified as "simple" or "complicated." Simple UTIs will usually only affect the bladder. Complicated UTIs describe resistant infections that require stronger medications, or those that affect the kidneys.

According to 2022 research, groups at a higher risk of complicated UTIs include:

  • males
  • pregnant people
  • immunocompromised people
  • older people
  • those using catheters
  • those having radiotherapy treatment
  • Additionally, blockages and problems with kidney function can increase a person's risk of developing a complicated UTI.

    The National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) writes that bladder infections — simple UTIs — are the most common type.

    Overall, females are more likely to develop a UTI than males, with 40–60% of females developing an infection at least once in their life and 10% of females developing a UTI once a year. Females are at a higher risk than males because their urethra is shorter, which makes it easier for bacteria to enter the bladder.

    In adults

    Lower UTIs affect the bladder or urethra and can cause:

  • a frequent need to urinate
  • pain, discomfort, or burning sensation when urinating
  • a sudden urge to urinate
  • cloudy, strong-smelling urine that may contain blood
  • the sensation that the bladder is not fully empty
  • feeling unwell, tired, and achy
  • Upper UTIs affect the kidneys and ureters. As well as the symptoms above, they can cause:

    In males

    Males and females share the same symptoms. However, 2021 research suggests that males had a higher chance of experiencing symptoms that affect the lower urinary tract.

    It is worth noting that this study involved 1,256 people from a single community in Japan, so the findings may not apply to other populations.

    In children

    Additional symptoms in children include:

  • a high temperature
  • appearing generally unwell — for example, babies may appear irritable and not feed well
  • vomiting
  • wetting the bed or themselves
  • In older adults or those with a catheter

    Additional symptoms of UTIs in older adults or those with a urinary catheter include:

  • wetting themselves
  • new shivering
  • new shaking
  • agitation
  • confusion
  • The Urology Care Foundation notes that different bacteria live on the skin or around the rectum and vagina. When the bacteria enter the urethra, they can travel to the bladder.

    According to the NIDDK, the body usually flushes out the bacteria before they reach a person's bladder. However, in some cases, the body is unable to do so, resulting in a UTI.

    UTIs most commonly occur due to the following bacteria:

  • Escherichia coli
  • Protus mirabilis
  • Enterococcus faecalis
  • Staphylococcus saprophyticus
  • Klebsiella pneumoniae
  • People of any age and sex can develop a UTI. However, some people are more at risk than others.

    The following factors can increase the likelihood of developing a UTI:

  • being sexually active
  • having difficulty fully emptying the bladder
  • having a condition that causes a blockage in the urinary tract, such as kidney stones
  • having diabetes
  • having recently used a catheter
  • having had a previous UTI
  • having vesicoureteral reflux, a condition that causes the urine to flow backward from the bladder and up toward the kidneys
  • having poor hygiene
  • In females

    The NIDDK notes that females are more likely to develop UTIs than males. This is because females have a shorter urethra, meaning the bacteria have less distance to travel to the bladder.

    Additionally, the urethra is closer to the rectum, where the UTI-causing bacteria are present.

    Going through menopause and using birth control methods, such as diaphragms or spermicide, can also increase the chance of developing a UTI.

    Is pregnancy a risk factor for a UTI?

    According to the American College of Obstetricians and Gynecologists, pregnant people have a higher risk of UTIs than other people.

    Changes in the body during pregnancy can cause changes in the urinary tract.

    Learn more about UTIs in pregnancy here.

    In males

    Males share the same risk factors for developing a UTI. However, having an enlarged prostate is a male-specific risk factor.

    An enlarged prostate can block or obstruct the usual flow of urine.

    In some cases, lower UTIs can lead to pyelonephritis. This is a sudden and severe kidney infection.

    Symptoms include:

  • fever
  • flank pain
  • vomiting
  • nausea
  • burning urination
  • increased frequency and urgency to urinate
  • fatigue
  • shaking
  • chills
  • mental changes
  • If a person suspects they have a kidney infection, they should seek medical attention as soon as possible.

    Recurrent or long-lasting kidney infections can cause permanent damage. Some sudden kidney infections can be life threatening, particularly if bacteria enter the bloodstream in a condition known as septicemia.

    They can also increase the risk of pregnant people delivering infants prematurely or with low birth weight.

    There are several measures that an individual can take to reduce the risk of developing a UTI, including:

  • drinking 6–8, 8-ounce glasses of water per day
  • emptying the bladder fully when urinating
  • urinating after sexual intercourse
  • wearing loose-fitting clothing and cotton underwear
  • keeping the genital area clean
  • avoiding the use of perfumed products on the genitals
  • The Centers for Disease Control and Prevention (CDC) suggests taking showers instead of baths and avoiding douching.

    Females should also wipe from the front to the back to help avoid spreading the germs from the rectum to the vagina. In addition, if a person experiences frequent or recurring UTIs, they should talk with a doctor about switching birth control methods if they use it.

    The American College of Obstetricians and Gynecologists mentions that cranberry pills and unsweetened cranberry juice may help decrease the chance of contracting UTIs. However, research is ongoing.

    Individuals should contact a doctor if they develop UTI symptoms, especially if they have developed symptoms of a potential kidney infection.

    A doctor will usually diagnose a UTI after asking about a person's symptoms and testing a urine sample to assess the presence of white blood cells, red blood cells, and bacteria.

    In some cases, a doctor may culture the urine to identify the type of bacteria causing the infection.

    If someone has recurrent UTIs, a doctor may request further diagnostic testing to determine if anatomical or functional issues are the cause. Such tests may include:

  • Diagnostic imaging: This involves assessing the urinary tract using ultrasound, CT and MRI scanning, radiation tracking, or X-rays.
  • Urodynamics: This procedure determines how well the urinary tract stores and releases urine.
  • Cystoscopy: This allows the doctor to see inside the bladder and urethra with a camera lens inserted through the urethra via a long thin tube.
  • A healthcare professional can prescribe antibiotics to treat UTIs, regardless of a person's sex.

    The type of medication and length of treatment will depend on a person's symptoms and medical history.

    People should always complete the full course of treatment to make sure that the infection is fully clear and reduce the risk of antibiotic resistance. UTI symptoms can disappear before the infection has completely gone.

    To cure a UTI that has occurred due to problems within the urinary system, a healthcare professional will need to diagnose the underlying issue.

    If the person is seriously ill, they may need to be admitted to a hospital to ensure they consume sufficient fluids and receive the correct medication.

    People may also need to go to the hospital if they are:

    To help treat and prevent recurrent UTI infections, a healthcare professional may:

  • suggest changing birth control methods
  • prescribe a single daily dose of antibiotics for 6–12 months
  • prescribe a single dose of antibiotics to take each time a person has sexual intercourse
  • There are several suggested remedies that people with a UTI can try at home. These include:

  • Staying hydrated: The NIDDK states that drinking plenty of fluids, with water being the best option, can help flush bacteria from the body.
  • Urinating frequently: Urinating as soon as a person feels they need to can help prevent and treat a UTI.
  • Probiotics: Researchers have not definitively concluded whether probiotics are an effective treatment for UTIs. However, Lactobacillus probiotics may improve vaginal health by producing antibacterial hydrogen peroxide, lowering the pH of urine so bacteria cannot easily grow, and preventing bacteria from attaching to urinary tract cells.
  • Heat therapy: A person can apply a hot water bottle or warm cloth to their abdomen or back to manage any pain from a bladder or kidney infection.
  • A 2021 study found that other successful home remedies to help stop recurrent UTIs included:

  • washing hands before and after touching the genitals
  • avoiding spermicides
  • wiping from front to back to reduce the spread of bacteria from the rectum to the vagina
  • using vaginal estrogens, if appropriate
  • A person should contact a doctor if they develop symptoms of a UTI. Without treatment, UTIs can lead to a sudden and severe kidney infection which can be life threatening.

    The NIDDK advises people to seek care immediately if they develop:

  • severe pain in the back near the ribs or lower abdomen
  • vomiting
  • nausea
  • fever
  • Below are answers to the top frequently asked questions about urinary tract infections.

    What are 3 symptoms of a UTI?

    Although symptoms can differ from person to person, the following three symptoms may indicate a person has a UTI:

  • painful urination
  • frequent need to urinate
  • blood in the urine
  • How do you know you have got a UTI?

    Generally, a person will be able to tell they have a UTI if they have any of the following symptoms:

  • burning when urinating
  • frequent need to urinate
  • cloudy, dark, strong-smelling urine
  • blood in the urine
  • lower stomach pain
  • back pain to mid-back pain
  • fever
  • If a person develops these symptoms, they should seek medical advice from a healthcare professional who will be able to confirm if they have a UTI.

    How do you get rid of a UTI fast?

    A person should always see a doctor if they develop symptoms of a UTI, as they can progress into a kidney infection.

    Some ways a person can get rid of a UTI quickly include the following actions:

  • taking antibiotics as prescribed
  • staying hydrated
  • urinating frequently
  • taking probiotics
  • using heat therapy
  • However, some people need to see a doctor to relieve their symptoms.

    Is a UTI an STD?

    Whilst it is possible to get a UTI after sex, and being sexually active can increase the likelihood of developing one, a UTI is not considered a sexually transmitted infection (STI).

    Why do I keep getting urinary tract infections?

    Risk factors for recurrent urinary tract infections include:

  • spermicide use within the previous year
  • getting first UTI under the age of 16
  • having a mother with a history of UTIs
  • urinary incontinence
  • not fully emptying the bladder when urinating
  • low urinary volumes
  • high frequency of sexual intercourse
  • A person should speak with a doctor if they get recurrent UTIs.

    A UTI is an infection of the urinary tract. The urethra and bladder make up the lower urinary tract, and the upper urinary tract consists of the kidneys and ureters.

    The main symptoms include a burning sensation during urination and a frequent and intense urge to urinate. The symptoms are the same for both males and females. However, males are more likely to experience the sensation that they have not finished urinating and urine dribbling from the penis after urination.

    UTIs occur due to bacteria present on the skin and around the rectum and vagina. However, some risk factors are female- or male-specific.

    Treatment includes antibiotics, and a person should drink plenty of fluids.

    If an individual notices symptoms of a UTI, they should contact a healthcare professional. Without treatment, a kidney infection can occur.

    Read the article in Spanish.


    Extreme Pubic Hair Removal To Cause Recurrent Urinary Tract Infections

    Urinary tract infections( UTI) are increased by 60.40% reportedly, Women are at greater risk of developing a UTI than are men. If an infection is limited to the bladder, it can be painful and annoying. But serious health problems can result if a UTI spreads to the kidneys.

    Several studies have reported that scalp and facial hair in men have been shown to inhibit the growth of pathogenic bacteria. A new study hypothesized that having hairy genitalia might protect women from UTI, and found that while grroming along with their pubes, women may be getting rid of important microbial niche and protection against recurrent UTIs. The study is published in Scientific reports.

    Researchers in the current study investigated grooming habits and occurrence of UTIs in the past 12 months in 2409 women of age between 18-45 years. Women who reported removing all their pubic hair at least weekly were defined as extreme groomers. They collected additional information on covariates including age, having a first UTI at or before age 15, spermicide use, having a new sex partner, and frequency of sexual intercourse during the past year.

    The highlights of study are

    • 66.8% women were reported to be extreme groomers. Extreme grooming was not associated with the risk of being diagnosed with UTI (OR = 1.17, 95% CI = 0.90-1.52), but was associated with a higher risk of recurrent UTIs,

    • The researchers defined recurrent UTIs as three or more UTIs within 12 months (OR = 3.09, 95% CI = 1.35-7.06), after controlling for age, history of UTIs, and sexual practices. Other studies have found that hygienic purposes are the most common motivations for pubic hair removal.

    Researchers concluded that extreme pubic hair removal is a potential risk factor for recurrent urinary tract infections. They speculate that microbes in pubic hair maintain urogenital health by serving as a niche for beneficial bacteria.

    Reference: Galbarczyk A, Marcinkowska UM, Klimek M, Jasienska G. Extreme pubic hair removal as a potential risk factor for recurrent urinary tract infections in women. Sci Rep. 2023 Nov 3;13(1):19045. Doi: 10.1038/s41598-023-46481-6.


    Urinary Endocrine-disrupting Chemicals Do Not Increase Risk Of Metabolic Syndrome Among Women

    A recent multiethnic study highlighted the potential connection between exposure to certain environmental chemicals and the prevalence of metabolic syndrome (MetS) in women. The findings of the study were published in the Journal of the Endocrine Society.

    Metabolic syndrome is a group of conditions associated with an elevated risk of cardiovascular disease, includes factors like high blood pressure, elevated fasting glucose, increased triglycerides, expanded waist circumference, and low levels of high-density lipoprotein cholesterol.

    This analysis focused on four classes of urinary endocrine-disrupting chemicals (EDCs), the bisphenol A (BPA), triclosan, parabens, and phthalates. The study involved 1728 women after adjusting for variables such as age, body mass index (BMI), racial and ethnic background, and breast cancer status.

    The results showed that metabolic syndrome was identified in 30.0% of the women. There were no statistically significant associations between MetS and BPA, triclosan, or phthalate metabolite excretion. Also, an intriguing inverse relationship emerged with total parabens (Ptrend = .002) was noticed which indicated a potential protective effect against metabolic syndrome.

    The study explored potential variations in these associations based on race, ethnicity, and BMI. While these were suggestive of inverse associations between EDCs and MetS among Latino and African American women, no statistically significant heterogeneity was detected in those with a BMI under 30 kg/m2.

    The findings of this study suggest a complex interplay between environmental exposures and metabolic health, particularly among women. This inverse association observed here with parabens prompts further investigation into the potential protective role of these chemicals in the context of MetS.

    Reference:

    Ihenacho, U., Guillermo, C., Wilkens, L. R., Franke, A. A., Tseng, C., Li, Y., Sangaramoorthy, M., Derouen, M. C., Haiman, C. A., Stram, D. O., Le Marchand, L., Cheng, I., & Wu, A. H. (2023). Association of endocrine disrupting chemicals with the Metabolic syndrome among women in the Multiethnic Cohort Study. Journal of the Endocrine Society, 7(12). Https://doi.Org/10.1210/jendso/bvad136






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