Almost every woman knows them: the unpleasant and painful symptoms of a bladder infection. It burns when urinating , the constant urge to urinate robs you of sleep, and the general discomfort makes everyday life difficult. In fact, about 10 out of 100 women experience at least one urinary tract infection each year. Women are significantly more frequently affected than men [1].
But why is that? And how can you prevent it? This article tells you everything you need to know.
The most important points in brief
Urinary tract infections primarily affect women because they have a shorter urethra.
The most common cause is ascending intestinal bacteria such as Escherichia coli.
Symptoms include burning during urination, frequent urge to urinate, cloudy urine, and pain.
D-mannose and cranberry preparations can help prevent this, as they prevent bacteria from adhering to the bladder lining.
What is a urinary tract infection?
A urinary tract infection is present when at least part of the urinary tract is inflamed. This includes:
- the kidneys
- the ureters
- the bladder
- the urethra
The most common cause is a bacterial infection , usually caused by the intestinal bacterium Escherichia coli [2].
Classification
- Cystitis : Inflammation of the bladder
- Pyelonephritis : Inflammation of the renal pelvis
- Urethritis : Inflammation of the urethra
How do urinary tract infections develop?
In approximately 80% of cases , cystitis is caused by bacteria that ascend into the urethra. Women have a higher risk due to their shorter urethra , which allows bacteria to reach the bladder more quickly.
Risk factors
- Incorrect hygiene practices : Wiping from back to front can cause intestinal bacteria to enter the urethra.
- Frequent sexual intercourse : Mechanical friction makes it easier for bacteria to enter the urinary tract. Tip: Go to the toilet after sex to flush out any potential germs.
- Hormonal changes : For example, during pregnancy or menopause.
- Excessive intimate hygiene : Aggressive cleaning agents destroy the skin's natural protective barrier.
Important : Often it is sufficient to clean the intimate area with water only to maintain the protective function [3,4,5].
The symptoms: What you should be aware of
A bladder infection quickly makes itself noticeable through typical symptoms. If you recognize these symptoms, you should pay attention to prevent the condition from worsening.
Common symptoms of a bladder infection
- Burning and pain when urinating : An unpleasant sensation that is almost always a clear sign of inflammation.
- Frequent urge to urinate : Even if only a few drops come out, it feels like you constantly have to go to the toilet.
- Cloudy urine : The urine may smell unpleasant, be discolored, or even contain blood.
- Pain in the lower back or lower abdomen : The discomfort can spread to these areas and significantly impair daily life.
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Warning signs: When you should see a doctor
If the pain is particularly severe and spreads to the flanks (side of the back), the inflammation may have already reached the kidneys . In this case, you should definitely seek medical help!
Did you know?
Women are up to 50 times more likely to suffer from urinary tract infections than men due to their shorter urethra. While bacteria only have to travel about 3–5 cm to reach the bladder in women, they have to travel 20–25 cm in men.
How is a urinary tract infection diagnosed?
The symptoms usually provide clear indications of a bladder infection. The following methods are available for additional confirmation:
self-tests
Over-the-counter test strips can test urine for bacteria, blood, and pH level . However, these tests are only a preliminary indication and do not replace a medical examination.
Medical examinations
-
Ultrasound : Used to clarify severe cases or in cases of suspected kidney involvement.
- Cystoscopy : For frequently recurring infections or unknown causes.
- Swabs : Especially in cases of urethritis (inflammation of the urethra), the discharge is examined to identify the pathogen [1,4,6,8,11].
How is a urinary tract infection treated?
Antibiotic therapy
In cases of severe symptoms or complications, the doctor usually prescribes antibiotics.
Alternative treatment options
Many uncomplicated bladder infections heal without antibiotics . Studies have shown that anti-inflammatory painkillers such as ibuprofen are sufficient to relieve symptoms in many cases.
Study on ibuprofen
A study involving 494 women revealed that:
- Two-thirds of the participants who were treated with ibuprofen only have fully recovered.
- However, there was a slightly increased risk of pyelonephritis.
Therefore, antibiotic-free treatment should only be used in cases of mild symptoms and under medical supervision [9,10].
How can you prevent a urinary tract infection?
The good news: There are many simple measures you can take to prevent bladder infections.
Hygiene tips
- Empty your bladder after sexual intercourse.
- For intimate hygiene, use only water or mild, pH-neutral products.
- Wear underwear made of breathable cotton [12,13].
Natural preparations
D-Mannose
- A natural sugar that prevents bacteria from adhering to the bladder lining.
- Studies suggest that D-mannose has a similar effectiveness to antibiotics, but without side effects.
- However, the available research is still limited [14].
Cranberry supplements
- Contains active ingredients that prevent bacteria from adhering to the bladder wall.
- Disadvantages: Some preparations can cause digestive problems or have a high calorie content [15,16,17]. Therefore, choosing the right product is important.
Conclusion
Urinary tract infections are a recurring problem for many women, and can significantly impact their daily lives. A bladder infection is usually caused by ascending bacteria and manifests as pain and burning during urination .
Good intimate hygiene, sufficient fluid intake, and the use of natural preparations such as D-mannose or cranberry can effectively prevent urinary tract infections.
For mild symptoms, anti-inflammatory painkillers like ibuprofen can help. Antibiotics are only necessary in severe cases. Prevention and being mindful of your body are key to avoiding infections in the long run.
Our expert
Sharleen Omara, MD
doctor
Key areas:
Gynecology | Nutritional Medicine | Public Health
What are the first signs of a bladder infection?
The first symptoms of a bladder infection are frequent urination in small amounts, burning and pain during urination, and cloudy or foul-smelling urine. Lower abdominal pain may also occur.
Can a bladder infection heal on its own?
Yes, many uncomplicated bladder infections can heal without antibiotics, especially if measures such as drinking plenty of fluids and keeping warm are taken promptly. However, a doctor should be consulted if there is severe pain or blood in the urine.
Can cranberry supplements really prevent bladder infections?
Cranberry preparations can reduce the adhesion of bacteria to the bladder wall and thus help prevent infections. Their effectiveness varies from person to person, and they are not suitable for acute treatment.
When should I see a doctor if I have a bladder infection?
You should seek medical help if:
- The pain is severe or radiates to the flanks.
- Blood is visible in the urine.
- Fever or chills may occur.
- The bladder infection lasts longer than 3 days.
What is the difference between cystitis and urethritis?
While cystitis affects the bladder, urethritis involves inflammation of the urethra. Both can have similar symptoms, but urethritis often involves additional discharge from the urethra.
Can frequent sexual intercourse trigger a bladder infection?
Yes, frequent sexual intercourse can increase the risk of cystitis because mechanical friction makes it easier for bacteria to enter the urethra. Emptying the bladder after sex helps to flush out the bacteria.
Can a bladder infection cause complications?
Yes, if a bladder infection is left untreated, it can develop into a kidney infection. Symptoms of this include severe flank pain, fever, and general malaise.
References for further reading:
- Institute for Quality and Efficiency in Health Care: Acute Cystitis https://www.gesundheitsinformation.de/akute-blasenentzuendung.html#:~:text=Frauen%20bekommen%20viel%20%C3%B6fter%20eine,innerh%20eines%20Jahres%20eine%20weitere . (accessed on May 13, 2023)
- Hahn J. Urinary tract infections . In: Hahn J , ed. Checklist Internal Medicine . 9th, completely revised edition. Stuttgart: Thieme; 2023.
- Cornely O , Hof H. Urinary tract infection – cystitis and pyelonephritis . In: Hof H , Schlüter D , eds. Dual Series Medical Microbiology . 8th, unchanged edition. Stuttgart: Thieme; 2022.
- German Association of Gynecologists: Cystitis: Causes https://www.frauenaerzte-im-netz.de/erkrankungen/blasenentzuendung/ursachen/ (accessed on 13.05.2023)
- German Kidney Foundation: Urinary tract and bladder infections https://www.nierenstiftung.de/fuer-betroffene/niere-a-bis-z/harnwegs-und-blasenentzuendung/ (accessed on 13.05.2023)
- Austrian Public Health Portal: Urinary Tract Infection https://www.gesundheit.gv.at/krankheiten/nieren-harnblase/harnwegsinfektion.html#welche-symptome-koennen-auftreten (accessed on 13.05.2023)
- MSD Manual: Urethritis https://www.msdmanuals.com/de-de/heim/kurzinformationen-nieren-und-harnwegserkrankungen/harnwegsinfektionen-hwi/urethritis#:~:text=Labor%20tests%20(0)-,Was%20ist%20eine%20Urethritis%3F,eine%20sogenannte%20sexuell%20%C3%BCbertragbare%20Infektion (accessed on 13.05.2023)
- Institute for Quality and Efficiency in Health Care: Understanding urine tests https://www.gesundheitsinformation.de/urintests-verstehen.html (accessed on May 13, 2023)
- German Association of Gynecologists: Cystitis: Therapy https://www.frauenaerzte-im-netz.de/erkrankungen/blasenentzuendung/therapie/ (accessed on 13.05.2023)
- Gágyor I, Bleidorn J, Kochen MM, Schmiemann G, Wegscheider K, Hummers-Pradier E. BMJ. 2015 Dec 23;351:h6544. doi: 10.1136/bmj.h6544. PMID: 26698878; PMCID: PMC4688879.
- Hahn J. Gonorrhea . In: Hahn J , ed. Checklist Internal Medicine . 9th, completely revised edition. Stuttgart: Thieme; 2023.
- Vahlensieck W Jr.: Prophylactic measures for recurrent urinary tract infections. In: Hofstetter A (ed.) Urogenital infections. Springer Berlin Heidelberg New York 1999: 215–39
- Su SB, Wang JN, Lu CW, Guo HR. Reducing urinary tract infections among female clean room workers. J Womens Health (Larchmt). 2006 Sep;15(7):870-6. doi: 10.1089/jwh.2006.15.870. PMID: 16999643.
- Lenger SM, Bradley MS, Thomas DA, Bertolet MH, Lowder JL, Sutcliffe S. D-mannose vs other agents for recurrent urinary tract infection prevention in adult women: a systematic review and meta-analysis. Am J Obstet Gynecol. 2020 Aug;223(2):265.e1-265.e13. doi: 10.1016/j.ajog.2020.05.048. Epub 2020 Jun 1. PMID: 32497610; PMCID: PMC7395894.
- Luís Â, Domingues F, Pereira L. Can Cranberries Contribute to Reduce the Incidence of Urinary Tract Infections? A Systematic Review with Meta-Analysis and Trial Sequential Analysis of Clinical Trials. J Urol. 2017 Sep;198(3):614-621. doi: 10.1016/j.juro.2017.03.078. Epub 2017 Mar 10. PMID: 28288837.
- Williams G, Hahn D, Stephens JH, Craig JC, Hodson EM. Cranberries for preventing urinary tract infections. Cochrane Database Syst Rev. 2023 Apr 17;4(4):CD001321. doi: 10.1002/14651858.CD001321.pub6. PMID: 37068952; PMCID: PMC10108827.
- Hisano M, Bruschini H, Nicodemo AC, Srougi M. Cranberries and lower urinary tract infection prevention. Clinics (Sao Paulo). 2012;67(6):661-8. doi: 10.6061/clinics/2012(06)18. PMID: 22760907; PMCID: PMC3370320.