Skip to main content
The Lotus Endometriosis Institute Logo

Deep Disease

What symptoms suggest ureter endometriosis?

The short answer

Ureter endometriosis can cause flank or back pain, sometimes worse around your period, deep pelvic pain, and urinary symptoms that don’t match urine culture results. It may also narrow the ureter and stress the kidney with little to no urinary symptoms at first.

Ureter endometriosis can be hard to spot because it may cause few or no urinary symptoms at first, even as it quietly narrows the ureter and stresses the kidney. When symptoms do appear, they can include flank or back pain (sometimes worse around your period), deep pelvic pain, and urinary complaints that don’t match urine culture results. Some people notice urinary frequency, urgency, or burning, but others feel more vague pressure, one-sided pain, or pain that overlaps with bowel or bladder flares.

The biggest clinical concern is obstruction without obvious warning signs. Clues like recurrent kidney pain, unexplained swelling of a kidney or ureter on imaging, or persistent urinary symptoms that don’t behave like an infection deserve a focused, endometriosis-aware workup. In our evaluation, we bring your full symptom pattern together with a careful exam and targeted imaging (often ultrasound and/or expertly interpreted MRI) to look specifically at deep endometriosis and urinary-tract involvement. If this sounds like your story, reach out to schedule a consultation. Mapping urinary-tract disease early can make treatment planning safer and more complete.

Where to go from here

Understand it, compare it with what you're feeling, then talk it through with us.

Step 1 · Understand

Understand the condition

Step 3 · Speak with Us

Worried About Hidden Ureter Pain?

Ureter endometriosis can silently affect your kidneys and cause subtle symptoms like back or pelvic pain. Our specialists can help identify and manage this deep disease to protect your health.

Questions people ask next

All deep disease questions
  • What tests evaluate urinary symptoms in endometriosis?

    Testing usually starts with a urinalysis and often a urine culture. Depending on your symptoms, renal and bladder ultrasound may check for stones or blockage, pelvic MRI can map suspected deeper disease, and cystoscopy can help with unexplained blood in urine or persistent bladder pain.

  • Should I see an endometriosis specialist or a urologist?

    Often, a coordinated approach is best, with an endometriosis-focused evaluation for bladder symptoms that flare around your period or come with pelvic pain and painful periods. A urology workup is often important in parallel for blood in the urine, recurrent UTIs or kidney stone concerns.

  • How is painful urination evaluated with suspected endometriosis?

    Evaluation of painful urination with suspected endometriosis includes reviewing symptoms and cycle patterns, urine tests, and a pelvic exam when appropriate. Ultrasound and sometimes MRI can be useful, but normal imaging does not rule out endometriosis.

  • How do I tell endometriosis from IBS, IC, or pelvic floor dysfunction?

    Timing is a key clue: endometriosis symptoms may flare around periods, ovulation, or deep penetrative sex. IBS is more linked to meals and stress; IC commonly causes urinary symptoms with negative urine cultures, while pelvic floor dysfunction tends to cause muscle spasm and pain with sitting.

Reach Out

Have a question?

Lotus Endometriosis Institute provides California-based surgical evaluation and advanced excision care for patients with suspected endometriosis, adenomyosis, complex pelvic pain, and related conditions.


Many patients contact us from outside California to learn whether traveling for in-person evaluation and possible surgery may be appropriate.

Call Us

(424) 255-1340

(805) 920-0909

Fax: (805) 935-4338

Santa Monica, CA

2121 Santa Monica Blvd, Santa Monica, CA 90404

Operating Hours

8am - 5pm
Monday - Friday

Arroyo Grande, CA

154 Traffic Way, Arroyo Grande, CA 93420