Chronic Pelvic Pain

Chronic pelvic pain is pain felt below the navel and between the hips that has lasted six months or more. It is common, it affects every sex, and it is one of the most misunderstood conditions in medicine, because the pelvis is a crowded place and pain there is routinely blamed on a single organ. Surveys put the prevalence among women anywhere from about 6% to 27% depending on the country and the definition. In men it most often carries the label chronic prostatitis / chronic pelvic pain syndrome, a name that itself admits the prostate is usually not infected.

One neighborhood, many tenants

The bladder, bowel, reproductive organs, and the muscular floor that holds them all up sit within centimeters of each other, and their nerves converge on the same lower segments of the spinal cord. That wiring means the nervous system is often unsure which structure is complaining. Bladder irritation feels like cramping; a tight pelvic floor feels like a bladder or bowel problem; and once one source has been hurting for months, the shared circuitry sensitizes and the neighbors start to hurt too.

A 2021 review in JAMA put a number on the consequence. Among women with chronic pelvic pain, the origin is not gynecologic in about 80% of cases, yet the condition accounts for 40% of laparoscopies and 12% of hysterectomies performed in the United States each year. Musculoskeletal pain and dysfunction, meaning the pelvic floor and surrounding muscles, is found in 50% to 90% of patients. The single most useful idea on this page is that a normal scan or scope does not mean nothing is wrong. It usually means the pain is coming from a structure those tests do not see.

The usual sources

The conditions below are contributors, not competitors. Most people with long-standing pelvic pain have more than one, and the best evaluations look for all of them:

• Pelvic floor muscle pain. The most common and most overlooked. Muscles that clench in response to pain, stress, or a past injury develop tender trigger points that reproduce the person’s pain when pressed. A trained examiner can find them in minutes; a scan cannot.
• Endometriosis. Tissue like the uterine lining growing outside the uterus, covered in its own guide: endometriosis. Often present alongside muscle and bladder pain rather than instead of them.
• Bladder pain syndrome (interstitial cystitis). Bladder pain that builds as it fills and eases with emptying, with urgency and frequency, and repeatedly negative urine cultures.
• Irritable bowel syndrome. Cramping tied to bowel habit. It shares nerve supply and sensitization mechanisms with the rest of the pelvis and is a frequent co-traveler.
• Chronic prostatitis / CPPS in men. The NIH classification (1999) reserved a true bacterial cause for a small minority; category III, the pain syndrome without infection, is the large majority. Repeated courses of antibiotics for a culture that was never positive are a common and unhelpful pattern.
• Nerve entrapment and post-surgical pain. The pudendal, ilioinguinal, and related nerves can be compressed or injured, often after surgery or childbirth, producing burning, sitting-provoked pain in a specific territory. See persistent postsurgical pain.

Sorting by system, not by organ

Urologists treating men with chronic pelvic pain syndrome developed a practical fix for the one-organ trap: the UPOINT system, which sorts each patient’s picture into six domains and treats every active one. In the original 2009 study, the more domains a person had, the worse their symptoms, which is exactly what a multi-source condition should show. The same logic now runs through the American College of Obstetricians and Gynecologists’ 2020 practice bulletin for women: a systematic history and examination that covers the gynecologic, urologic, gastrointestinal, musculoskeletal, and psychosocial systems before anything is attributed to a single cause.

What treatment looks like today

Because the sources are plural, the treatment is too. Described, not prescribed, the pieces a pain team draws on:

• Pelvic floor physical therapy. The strongest single trial in the field: in women with bladder pain syndrome and pelvic floor tenderness, targeted myofascial physical therapy produced a moderate-or-better response in 59%, versus 26% with general massage. It is skilled, specific, internal-and-external hands-on work, not a handout of Kegels. For a tight, painful pelvic floor, strengthening exercises can make things worse.
• Organ-directed treatment where an organ is involved. Hormonal therapy or surgery for endometriosis, bladder-directed therapies for bladder pain syndrome, dietary and gut-directed care for irritable bowel. Each helps its own domain and rarely the others.
• Nervous-system medications. For the sensitized component, the same classes used for other centralized pain, with the trade-offs described in medications for pain. Opioids have a poor record in chronic pelvic pain and are not recommended as ongoing treatment.
• Targeted injections and neuromodulation. Trigger point injections, nerve blocks for an entrapped nerve, and in selected cases sacral or pudendal nerve stimulation, covered in interventional procedures.
• Psychological and pain-science care. Not because the pain is psychological, but because a pelvis that has hurt for years has trained the nervous system, and cognitive behavioral and pain-reprocessing approaches measurably retrain it. Sexual pain and the relationships around it deserve their own attention here.

Since opioids came up: if you or someone you love is struggling with opioid or other substance use, the SAMHSA National Helpline is free, confidential, and open 24/7 at 1-800-662-HELP (4357).

What’s coming

The research direction is phenotyping done properly: identifying, for each person, which domains are active and matching treatment to them, rather than trialing one organ-specific therapy after another. The precision approach described in precision pain medicine is being tested most actively in exactly these overlapping pain conditions, and pelvic pain is one of the model cases.

When to seek specialist care

Seek prompt care for pelvic pain with fever, unexplained bleeding, blood in urine or stool, a new mass, unintended weight loss, or pain that came on suddenly and severely. For pain that has lasted months and has had a normal workup, the right next step is usually not another scope. It is a clinician who examines the pelvic floor and thinks in domains: a pelvic pain specialist, a urogynecologist or urologist with a pelvic pain focus, or a pain medicine physician, working with a pelvic floor physical therapist. If you have been told your tests are normal and therefore nothing is wrong, that is a sign to change clinicians, not to give up.