I spent years assuming every wave of urgency, every bad day, every 2 a.m. bathroom trip was my bladder’s fault. Just my bladder. When treatments aimed at my bladder only half-worked, I figured I was doing something wrong. Maybe I wasn’t strict enough with the diet. Maybe I wasn’t tracking well enough. Maybe this was just… it.
Turns out, the problem was never just my bladder. It was my bladder and my pelvic floor and my hormones and my stress levels — all tangled together, all making each other worse. I have endometriosis. I have a hypertonic pelvic floor. I’m currently being evaluated for pelvic congestion syndrome. And yes, it’s also my bladder. The piece I was missing wasn’t a different diagnosis — it was the full picture.
New consensus research published in early 2026 is confirming what many of us have lived: IC/BPS is rarely just one thing. And that shift matters for anyone stuck in the cycle of “why isn’t this getting better.”
The 5 Comorbid Conditions Researchers Want You to Know About
A global consensus panel — over 60 experts, 10 subcommittees, published in Neurourology and Urodynamics — identified five gynecologic conditions that commonly overlap with IC/BPS. They’re calling them the main comorbid disorders, and if you’ve been living with IC, some of these will sound painfully familiar:
- Endometriosis and adenomyosis — IC and endometriosis have long been called the “evil twins” of chronic pelvic pain. Research shows roughly 19% of people with IC/BPS also carry an endometriosis diagnosis, and the overlap in symptoms can make it nearly impossible to tell which condition is driving what.
- Overactive pelvic floor muscles — This one is massive. One study found that 87% of women with IC/BPS had findings consistent with pelvic floor dysfunction. Your pelvic floor muscles can refer pain to your bladder, mimic urgency, and create pressure that feels identical to a flare.
- Vulvodynia and vestibulodynia — Chronic vulvar pain that overlaps with bladder symptoms. The burning, the stinging, the sensitivity — it can blur the line between what’s bladder and what’s vulvar.
- Hormone-associated genitourinary changes — Hormonal shifts (menstrual cycles, perimenopause, menopause) can directly affect bladder tissue and pain sensitivity. If your symptoms track with your cycle, this is worth paying attention to.
- Genitopelvic pain/penetration disorder and sexual dysfunction — Pain during intimacy that often coexists with IC/BPS, compounding both the physical and emotional toll.
The key takeaway from this consensus: a substantial number of IC/BPS patients have comorbid pelvic disorders that require separate treatment. Not instead of bladder treatment — alongside it.
Why “Phenotyping” Changes the Game
This is where the consensus gets specific. The same effort identified two broad categories — or phenotypes — of IC/BPS:
Bladder-centric IC: The pain is primarily coming from the bladder itself. Patients in this category tend to have specific findings on cystoscopy (like Hunner lesions), lower bladder capacity, and symptoms that respond to bladder-directed treatments.
Non-bladder-centric IC: The pain is part of a wider systemic pattern. Patients in this group are more likely to have those comorbid conditions listed above — endometriosis, pelvic floor dysfunction, widespread pain — and their symptoms often don’t respond well to bladder-only treatment.
This isn’t just academic labeling. If your IC is non-bladder-centric and you’ve only been receiving bladder-directed treatment, you’re treating one piece of a bigger picture. The bladder treatment isn’t wrong — it’s incomplete. That’s why the diet changes helped a little but not enough. That’s why certain treatments gave temporary relief but the pain kept cycling back. There was more going on, and nobody was looking at the full map.
What Does This Look Like Day to Day?
This is where self-awareness becomes powerful. The researchers aren’t saying you need to phenotype yourself — that’s clinical work. But they are saying that the pattern of your experiences holds clues.
For me, tracking is what made the invisible visible. I noticed my symptoms were far worse during cycle changes. They spiked when my stress was high. And when I’d pushed my body too hard physically — overdone it at the gym, powered through a long day without rest — I’d pay for it the next day in urgency and pain. None of that showed up when I was only paying attention to what I ate.
That’s the question worth sitting with: what else lines up with your worst days?
- Do your worst days correlate with what you ate, or with how your body moved (or didn’t)?
- Does your pain improve with bladder-directed approaches, or does it persist regardless?
- Do you notice your symptoms shift with your cycle?
- Is your pain localized to your bladder, or does it radiate — hips, lower back, pelvic floor?
- Does sitting for long periods or physical overexertion make things worse more than any food trigger?
If your answers point beyond the bladder — toward muscles, hormones, stress, or widespread pain — that pattern is worth bringing to your provider. And it’s worth documenting.
How Tracking Helps You Spot the Pattern
The consensus panel emphasized that a careful history of coexisting conditions, pain mapping of pelvic muscles, and body mapping of pain should all be part of an initial assessment. They reached near-unanimous agreement on this.
But those 15-minute appointments don’t leave room for that kind of nuance. You walk in, report your worst symptom, and the conversation stays there.
That’s exactly why documenting what’s happening — not just bathroom trips, but movement, pain location, energy, stress, sleep, and how your body feels throughout the day — gives both you and your provider something to work with. When you can show that your pain spikes after prolonged sitting but doesn’t change with diet, that’s a different conversation than “my bladder hurts.”
That’s what Penny is for. It’s a pelvic health tracking app that lets you capture your daily experiences — not just bathroom events, but the full picture of what your body is doing. Episodes, wellness check-ins, quick notes when brain fog hits. And when it’s time for your appointment, you can generate a report that tells the story your memory can’t.
Because the answer to “why isn’t this getting better” might not be that you need a better bladder treatment. It might be that your bladder was never the whole story.
Sources
- Global consensus meeting on IC/BPS, published January 2026 in Neurourology and Urodynamics (Vol. 45: 9–76). Meeting held April 2025, Winston-Salem, NC.
- GIBS 2026 11th Annual Congress theme: “Beyond the Bladder: Decoding Subtypes, Delivering Solutions”
- Werneburg et al., “IC/BPS Diagnosis: Current Limitations and a Pragmatic Clinical Diagnostic Definition,” Neurourology and Urodynamics, 2026.
- Overholt et al., “Prevalence and Clinical Correlates of Endometriosis in Patients With IC/BPS,” Canadian Journal of Urology, 2020.
- Interstitial Cystitis Association, “Associated Conditions”