Cystitis: Understanding, preventing, and treating your urinary tract infections
Put an end to recurrent urinary tract infections
Dr. Laurence Peyrat, a urologist in Paris, treats cystitis and recurrent urinary tract infections with a personalized and modern approach.
What is cystitis?
Cystitis is a very common infection or inflammation of the bladder, especially in women. It manifests as unpleasant and sometimes painful urinary symptoms, often caused by a bacterial infection.
Although generally benign, cystitis can recur and disrupt daily life.
What are the symptoms?
What are the causes?
- Ascending bacterial infections, most often by Escherichia coli ,
- Poor bladder emptying or urinary residual urine,
- Frequent or traumatic sexual intercourse,
- Use of certain contraceptives (diaphragm, spermicides),
- Anatomical or functional factors,
- Immune system disorders.
When should I consult Dr. Laurence Peyrat?
How is the diagnosis made?
The diagnosis is based on:
- Clinical consultation with symptom assessment,
- Urine analysis (ECBU) to identify the responsible germ,
- Sometimes an ultrasound is used to check for the absence of abnormalities or complications,
- More in-depth assessments if infections are frequent or resistant.
What treatments are offered?
Why consult Dr. Laurence Peyrat?
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Paris 8th – Paris Opera Urology Center & Turin Clinic
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Cystitis: Understanding, preventing, and treating your urinary tract infections

My review in video
FAQ – Frequently Asked Questions
Why do I keep getting cystitis?
The most common contributing factors are insufficient hydration, infrequent or incomplete urination, constipation, sexual activity, and estrogen deficiency after menopause. An assessment can identify these factors and address them.
At what point should you consult a urologist?
As early as 3 to 4 episodes per year, or sooner if there is blood in the urine, fever, lower back pain, or if cystitis is resistant to usual treatments. An evaluation will rule out an anatomical cause or bladder residual urine.
How to prevent relapses?
Drink at least 1.5 liters per day, urinate regularly and after intercourse, combat constipation, and depending on the case: cranberry, D-mannose, local estrogens after menopause, or targeted antibiotic prophylaxis as a last resort.
Is an antibiotic necessary for every episode?
A confirmed simple cystitis warrants a short course of treatment, ideally guided by a urine culture in case of recurrence. Repeated self-medication promotes resistance: the goal of monitoring is precisely to reduce antibiotic use through prevention.
Dr Laurence Peyrat's expertise
Chirurgienne Urologue à Paris
Cystitis: Understanding, preventing, and treating your urinary tract infections: there are solutions.