The Bladder–Bowel Connection in Kids: Why Constipation Affects Everything
If your child is dealing with bedwetting, daytime accidents, or frequent trips to the bathroom, it’s easy to focus only on the bladder.
But here’s something many parents (and even providers) don’t realize:
👉 The bladder and bowels are closely connected—and constipation can impact all of it.
Understanding this connection can be a turning point. It often explains why symptoms seem unrelated… and why some strategies haven’t worked long-term.
How Are the Bladder and Bowels Connected?
The bladder and rectum sit right next to each other in the pelvis and share space, muscles, and nerve pathways.
That means when one system isn’t working well, the other often feels the effects.
This is sometimes referred to as bladder and bowel dysfunction (BBD) in children.
What Happens When a Child Is Constipated?
Constipation doesn’t just affect bowel movements, it can change how the bladder functions too.
Here’s what’s happening inside the body:
1. The rectum fills with stool
When stool builds up, the rectum expands to accommodate it.
2. The rectum presses on the bladder
Because they sit so close together, a full rectum can physically push on the bladder.
This reduces how much the bladder can hold.
3. Bladder signals become disrupted
The pressure and shared nerve pathways can confuse the bladder’s signaling system.
Kids may feel:
Sudden urgency
Frequent need to urinate
Difficulty holding urine
4. The pelvic floor becomes less coordinated
The same muscles that help with bowel movements also play a role in bladder control.
If those muscles aren’t coordinating well, both systems can struggle.
Symptoms That May Be Connected
You might not immediately link these symptoms together, but they often share the same root:
Constipation or infrequent bowel movements
Stool accidents (encopresis)
Daytime pee accidents
Frequent urination
Urgency or rushing to the bathroom
If your child is experiencing more than one of these, it’s worth looking at the bigger picture.
For a deeper dive into bowel patterns, check out our guide on constipation in kids and encopresis.
Why This Gets Missed
Many families (and even healthcare providers) treat bladder and bowel issues separately.
Accidents → focus on the bladder
Constipation → focus on diet or stool softeners
But if the underlying connection isn’t addressed, symptoms often persist or return.
Why Treating Constipation Can Improve Bladder Symptoms
When the rectum is no longer full and stretched:
The bladder has more space
Signals become clearer
Urgency decreases
Control improves
This is why addressing constipation is often one of the first steps in improving bladder symptoms like bedwetting or daytime accidents.
How Pelvic Floor Physical Therapy Helps
Pediatric pelvic floor physical therapy (PFPT) is uniquely positioned to address both bladder and bowel function together.
At Bonneville Pelvic Health, we look at the whole system, not just one symptom.
PFPT can help your child:
✔ Improve bowel habits We guide timing, positioning, and routines that make bowel movements easier and more consistent.
✔ Restore pelvic floor coordination Kids learn how to relax and engage the right muscles at the right time.
✔ Improve bladder control By addressing the underlying patterns, bladder symptoms often improve naturally.
✔ Build body awareness Kids begin to recognize signals earlier and respond more effectively.
✔ Reduce anxiety and frustration As symptoms improve, confidence tends to follow.
All sessions are age-appropriate, supportive, and designed to feel comfortable for your child. There is typically no internal treatment for pediatric patients.
You can learn more about our approach on our pediatric pelvic health services page.
What You Can Do at Home
If you suspect your child’s symptoms may be connected, here are a few simple starting points:
Encourage regular bathroom routines (both pee and poop)
Use a footstool to support proper positioning
Avoid rushing bathroom time
Stay consistent, but low-pressure
Keep an eye on both bowel and bladder patterns, not just one
When Should You Look Into This Further?
It may be time to get support if your child:
Has both constipation and bladder symptoms
Experiences frequent accidents (day or night)
Struggles with urgency or frequent urination
Has ongoing symptoms despite trying diet changes
You don’t have to wait for things to get worse before getting clarity.
A Reassuring Note for Parents
If this connection is new information, you’re not alone.
Many families go months (or longer) treating one symptom at a time without realizing how connected everything is.
This is not something you caused, and it’s not something your child is doing wrong.
It’s simply how the body is functioning right now and it can be improved.
Not Sure Where to Start?
If your child is dealing with constipation, bedwetting, or accidents, and you’re starting to wonder if it’s all connected, you’re probably right to ask. With a team based approach including your child’s pediatrician, we’re here to help you put the pieces together and create a plan that actually makes sense.
Reach out to schedule an evaluation. We’ll help you take the next step with clarity and confidence.
Written By:
Pelvic Floor Physical Therapist
Dedicated to continuous clinical education and supporting individuals across all pelvic health phases through evidence-based, compassionate care. I am actively pursuing my CAPP-Pelvic (Certificate of Advanced Practice in Pelvic Physical Therapy) to further enhance patient outcomes.
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