July 21, 2024
This article explores the causes, symptoms, and treatments for hematuria in UTIs and outlines UTI complications and ways to prevent them. The article also discusses alternative treatments and the science of UTIs.


Urinary tract infections, commonly known as UTIs, affect millions of people worldwide. These infections occur when bacteria enter the urinary tract and cause inflammation. While the symptoms of UTIs can vary, one common concern is the presence of blood in the urine. In this article, we will explore whether UTIs can cause bleeding, what causes hematuria in UTIs, and when to see a doctor if you experience UTI complications.

Statistics on UTIs

UTIs are one of the most common bacterial infections in humans, with more than 150 million cases worldwide each year. Women are more likely to develop UTIs than men, with up to 60% of women experiencing at least one UTI in their lifetime.

Prevalence of Hematuria

Hematuria, or blood in the urine, is a common symptom of UTIs. According to the National Institutes of Health (NIH), up to 8% of adults in the United States experience hematuria at some point in their lives.

Purpose of the Article

The purpose of this article is to provide an overview of hematuria in UTIs, including its possible causes, symptoms, and when to see a doctor. We will also discuss alternative treatments for UTIs and the science behind these infections. Lastly, we will explore ways to prevent recurrent UTIs and hematuria.

Blood in Your Urine: Can UTIs Cause Bleeding?

Definition of UTI

A UTI occurs when bacteria enter the urinary tract and multiply, causing inflammation and irritation. The urinary tract includes the kidneys, ureters, bladder, and urethra. UTIs can range from mild, such as cystitis (bladder infection), to severe, such as pyelonephritis (kidney infection).

Symptoms of UTIs

UTIs can cause a range of symptoms, including:


Painful or burning sensation during urination.

Urinary Frequency

The urge to urinate more frequently than usual, with little urine produced.

Cloudy Urine

Urine that appears hazy or cloudy and has an unusual odor.


The presence of blood in the urine.

Is Hematuria Common in UTIs?

Yes, hematuria is common in UTIs. When bacteria enter the bladder or urinary tract, they can irritate the lining and cause small blood vessels to break. This results in microscopic or visible blood in the urine.

How to Diagnose Hematuria?

Your doctor can diagnose hematuria by analyzing a urine sample. They will look for the presence of red blood cells in the urine, which can indicate bleeding. If your doctor suspects a UTI, they may also conduct a urine culture to identify the bacteria causing the infection. In some cases, other diagnostic tests such as ultrasound or CT scans may be necessary to evaluate the urinary tract.

Understanding Hematuria in UTIs

Causes of Hematuria in UTIs

The causes of hematuria in UTIs can vary, but commonly include:

Bacterial Infections

Bacterial infections, such as those that cause UTIs, can irritate the urinary tract and cause blood vessels to rupture, resulting in hematuria.

Urinary Tract Irritation

The lining of the urinary tract can become irritated by various factors, such as bladder catheterizations, bladder cancer, and other diseases. This irritation can result in hematuria.

Kidney Stones

Kidney stones can cause damage to the urinary tract and lead to bleeding.

Types of Hematuria

Hematuria can be classified as either microscopic hematuria or macroscopic hematuria.

Microscopic Hematuria

Microscopic hematuria refers to the presence of red blood cells in the urine that can only be seen under a microscope. This type of hematuria is more common and often less severe.

Macroscopic Hematuria

Macroscopic hematuria refers to visible blood in the urine. This type of hematuria is less common but can be more severe.

UTI Complications: When to See a Doctor

Risks of Leaving UTIs Untreated

UTIs can lead to serious complications if left untreated. These complications can include:


A kidney infection that can cause damage to the kidneys and lead to sepsis.


A severe, life-threatening condition that can occur when an infection spreads to the bloodstream.

When to See a Doctor

If you have hematuria or other UTI symptoms, it is important to see a doctor for evaluation and treatment. Your doctor may prescribe antibiotics or other medications to treat the infection and reduce inflammation and bleeding. Seek emergency medical attention if you experience severe symptoms such as high fever, severe pain, or difficulty urinating.

Recognizing Worsening Symptoms

If you are being treated for a UTI and your symptoms worsen or do not improve after a few days, contact your healthcare provider. This may indicate that the bacteria causing your infection are resistant to the initial treatment or that you have another underlying condition that requires further evaluation.

Alternative Treatments for UTIs

Home Remedies for UTIs

While antibiotics are the most effective treatment for UTIs, some people may try home remedies to alleviate symptoms and promote healing. These remedies may include:

  • Drinking plenty of water to flush out bacteria
  • Using a heating pad or taking warm baths to relieve pain and pressure
  • Drinking cranberry juice or taking cranberry supplements, which may help prevent bacterial adherence to the bladder wall
  • Using probiotics to promote healthy bacteria in the gut and urinary tract

Over-the-Counter Medications

Over-the-counter medications such as phenazopyridine (Pyridium) can help relieve pain and discomfort associated with UTIs. These medications work by numbing the urinary tract and reducing inflammation.

Do Alternative Treatments Work for Hematuria?

While some alternative treatments may help alleviate UTI symptoms, there is limited scientific evidence to support their effectiveness in treating hematuria. Antibiotics are the most effective treatment for resolving UTIs and subsequent hematuria.

The Science of UTIs: What Happens in Your Body

Anatomy of the Urinary System

The urinary system consists of four main parts: the kidneys, ureters, bladder, and urethra. The kidneys act as filters, removing waste and excess fluids from the blood and producing urine. The ureters are tubes that carry urine from the kidneys to the bladder. The bladder stores urine until it is eliminated from the body through the urethra.

Causes of UTIs

UTIs are caused by bacteria, most commonly E. coli. Sexual activity, poor hygiene, and compromised immune systems can all increase the risk of developing UTIs.

How Inflammation and Bacterial Infection Lead to Hematuria

When bacteria enter the urinary tract, they can cause inflammation and irritation. This inflammation can lead to the rupture of small blood vessels within the urinary tract, resulting in hematuria.

Preventing Recurrent UTIs: Steps to Take

Medical Treatments for Preventing UTIs

Your healthcare provider may recommend antibiotics or other medications to prevent recurrent UTIs. If you have frequent UTIs, your doctor may also recommend a low-dose antibiotic regimen.

Lifestyle Changes to Reduce UTI Incidence

You can reduce your risk of developing UTIs by:

  • Drinking plenty of water to flush out bacteria
  • Urinating after sexual activity to flush out bacteria
  • Wiping from front to back after using the restroom to prevent the spread of bacteria
  • Avoiding irritants such as bubble baths and scented feminine hygiene products
  • Wearing loose-fitting clothing to promote air circulation

Overcoming Challenges in Preventing Recurrent UTIs

Preventing recurrent UTIs can be challenging, especially for people with underlying medical conditions or those who are immunocompromised. However, working with your healthcare provider and making lifestyle changes can help reduce the incidence of UTIs.


Recap of the Main Points

UTIs can cause hematuria, or blood in the urine. Hematuria can be caused by bacterial infections, urinary tract irritation, or kidney stones. Complications from untreated UTIs can lead to kidney damage and sepsis. While antibiotics are the most effective treatment for UTIs, home remedies and over-the-counter medications may help alleviate symptoms. Lifestyle changes and medical treatments can help prevent recurrent UTIs.

Hematuria as an Indicator of UTI Severity

Hematuria is an important indicator of UTI severity and should be evaluated by a healthcare provider. While not all cases of hematuria indicate a serious problem, it is important to rule out potential complications and treat underlying infections.

Preventing UTIs and Hematuria

Preventing UTIs and subsequent hematuria involves making lifestyle changes, working with your healthcare provider, and seeking prompt treatment for infections. By taking a proactive approach to your urinary health, you can reduce your risk of developing UTIs and maintain optimal urinary function.

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