UTI Due To Vaginal Fold Dermatitis In Bulldogs

By: Dr. Roy Kraemer |
DVM, Bulldog Specialist Veterinarian
Last updated by Roy Kraemer, DVM
UTI caused by vaginal fold dermatitis in Bulldogs and French Bulldogs
If your girl keeps getting urinary infections, the problem is probably not her bladder. It is the fold sitting over her vulva, and no course of antibiotics has ever dried out a fold.

In a lot of Bulldog females the vulva sits recessed beneath a fold of skin. That fold holds warmth, moisture and a little urine after every trip outside, which is an excellent environment for bacteria and a poor one for skin. Dermatitis develops in the fold, the bacteria multiply there, and because the fold sits directly over the opening they have a very short journey into the urinary tract.

That is why these infections recur. Each course of antibiotics clears the bladder and leaves the source completely untouched, so the same bacteria make the same journey again. Owners end up on a loop of three, four, five courses, and the loop has a cost beyond the inconvenience: repeated courses are exactly how bacteria stop responding to the drugs that used to work.

The things that actually break the cycle are unglamorous. Keeping the fold clean and genuinely dry as a daily habit, getting her weight down if there is weight to lose, and in the dogs where the fold is deep enough to defeat all of that, an operation that removes it.

Explore Dr. Kraemer’s V4B Bully Therapeutics →

Subject: Seeking Guidance for Rosie’s Vaginal Folds & Hood 🐾😟 #BulldogHealth #VaginalCare

Dear Dr. KraemerI’m reaching out about my sweet bulldog, Rosie, who seems to be experiencing some issues with her vaginal folds and hood. I’ve noticed redness and irritation in the area, and she appears uncomfortable. 😟 I would greatly appreciate your guidance on how to care for Rosie’s vaginal folds and hood problems.

Your expertise means everything to us! 🙏🏼 Thank you for always being there for our furry companions.

Warm regards, The Rose Familyh & Rosie 🐶💖 #BulldogMom #VaginalHealth

A question for Dr. Kraemer
“Lola is a three year old English Bulldog who has now had four urinary infections in eighteen months. Every time she gets an antibiotic, she improves within days, and a couple of months later we are back. Two different vets have treated her and both said urinary tract infection. She is a little overweight and she does have a deep fold under her tail. Is there something wrong with her bladder?”

An example of a question a Bulldog owner might ask.
Dr. Roy Kraemer, DVM

Dr. Kraemer’s reply

Four in eighteen months is not bad luck and it is usually not a bladder problem either. When the infection keeps returning in the same dog, the question stops being which antibiotic and becomes where the bacteria keep coming from.
In a Bulldog girl the answer is often sitting right there in your description. A deep fold over the vulva stays warm and damp, it collects what it collects, and it sits a very short distance from the opening to the urinary tract. Clear the bladder with an antibiotic and you have treated the destination while leaving the departure lounge exactly as it was. A fold does not dry out because a dog swallowed a tablet.
The weight matters too, and I say that without any judgment. Extra body condition deepens the fold and makes it harder for air to reach the skin, so the two problems feed each other.
What I would ask for at the next appointment is a urine culture rather than another empty course, so you know what you are treating and whether it is the same organism returning. Then I would treat the fold as the actual patient. Clean and, more importantly, dry that area daily. An antiseptic wipe made for the job belongs alongside whatever your veterinarian prescribes rather than in place of it, and the drying is the part people skip. Keep her coat and bedding dry. Supplements that support urinary health may help as part of the longer picture, and your veterinarian is the right person to say whether they fit her plan.
If the fold is deep enough that daily care cannot keep ahead of it, there is a surgical correction that removes the fold, and for the right dog it ends the cycle rather than managing it. That is a conversation to have with your veterinarian once the infection itself is settled.

Dr. Roy Kraemer, DVM

Introduction To Bulldog and French Bulldog Vaginal Skin Infection

Vaginal Fold Moist Dermatitis (VFMD) is a prevalent concern among female bulldogs, stemming from their distinct anatomy. This condition can be notably uncomfortable for them, underscoring the importance of addressing and managing it effectively.

Ulcerative bulldog vaginal skinfold moist dermatitis

How UTI Is Caused By Vaginal Fold Dermatitis in Bulldogs

  1. Moisture & Heat serve as common culprits for Vaginal Fold Moist Dermatitis (VFMD) in female bulldogs. The deep skin folds in the genital area create an environment conducive to bacterial and yeast growth, fostering infections and inflammation.
  2. Hooded Vulva: The presence of a hooded vulva restricts airflow, exacerbating the issue by compounding the trapped moisture problem.
  3. Obesity: obesity can intensify VFMD as excess weight increases the depth of skin folds.
  4. Diet: certain dietary factors may also play a role, influencing yeast overgrowth and contributing to the development of this uncomfortable condition in female bulldogs.
  5. Stress: The impact of stress lies in its ability to suppress the immune system, weakening the body’s defenses against pathogenic organisms

What Are The Symptoms of UTI Due to Vaginal Fold Dermatitis in Bulldogs?

  • REDNESS: around the vulva, but mostly inside the folds
  • INFLAMMATION & INFECTION: bacterial and yeast organisms
  • ITCH & PAIN: rubbing, scooting, biting of the back end
  • BAD SMELL: A strong, unpleasant odor of the infected folds and urine
  • MOIST & DAMP
  • FREQUENT URINATION: caused by the urinary tract infection, pain, discomfort and irritation
  • CLOUDY DISCOLORED URINE: urine might be bloody, cloudy, or dark yellow
  • VAGINAL DISCHARGE: mucus or pus

 Bulldog Large Infected bladder

Bulldogs and Frenchie’s are famous for their adorable wrinkles, but those cute skin folds can quickly turn into bacteria and yeast hotspots if not cared for properly.

The deep, warm, and often damp environment inside those folds creates the perfect place for germs to grow, leading to irritation, infection, and a not-so-sweet smell.

That’s why routine wrinkle cleaning isn’t just a beauty ritual, it’s an essential part of your bulldog’s healthcare

From Dr. Kraemer’s exam room
A bulldog specialist, 20 years breed specific clinical experience

Antibiotics do not dry a fold

This is one of the most satisfying problems in Bulldog practice to get right, and one of the most frustrating to watch handled badly, because the loop it creates is entirely avoidable. A female comes in with a urinary infection. She is treated, she improves, everyone is pleased. A couple of months later she is back. Treated again, improves again, back again. By the third or fourth round somebody starts wondering whether there is something wrong with her bladder, and there usually is not. The bladder is fine. The bacteria are being resupplied from a fold a centimeter away.

Picture the anatomy for a moment, because once you see it the whole thing becomes obvious. A recessed vulva sits under a hood of skin, and that hood traps warmth, moisture and a little urine after every trip outside. Skin in that state breaks down, bacteria flourish in it, and the distance from that fold into the urinary tract is almost nothing. So the infection is not really a urinary event at all. It is a skin problem with a urinary consequence, and treating only the consequence is why it keeps returning.

I want to be direct about the cost of that loop, because it is not just inconvenience and expense. Every course of antibiotics kills the susceptible bacteria and leaves the survivors to repopulate. Four or five courses in a year is a very effective way of selecting for bacteria that no longer respond to the usual drugs, and I have seen exactly that happen in dogs whose actual problem was a fold nobody looked at. If you want to understand why I am so insistent about this, the page on resistant infections explains where that road ends.

Now the lever most owners can pull today, and I will say it plainly because being vague about it does nobody any good. Weight matters here more than almost anywhere else. Fat deposits around the perineum deepen the fold and tighten it, so a heavier dog has a worse fold, holds more moisture, and recurs more often. Getting the weight off genuinely changes the anatomy, not just the general health picture. It is slow, it is unglamorous, and in the dogs where it works it can end the problem without anything else being done.

Alongside that, the fold needs daily attention in exactly the way the face wrinkles do. Clean it, and then dry it properly, because the drying is the part that gets skipped and the drying is the part that matters. A damp fold wiped and left damp is still a damp fold. This is ordinary owner maintenance, it is not a veterinary procedure, and it is the sort of routine care this whole site exists to teach.

One technical point worth insisting on. When an infection keeps coming back, a urine culture is worth far more than a dipstick. A dipstick tells you there is an infection. A culture tells you which organism and which drug will work on it, which matters a great deal more by the third episode than by the first. If your veterinarian has not cultured a recurring case, it is a fair thing to ask for by name.

And when all of that has been done properly and she is still recurring, surgery is the answer rather than a last resort. The operation removes the fold of skin over the vulva, and once the fold is gone the trap is gone with it. In the right dog it is close to curative and it ends years of repeat prescriptions. I would want the conservative route tried first, honestly tried rather than half tried, but I would not want an owner enduring a decade of infections because nobody mentioned that the problem is fixable.

Dr. Roy Kraemer, DVM
From Dr. Kraemer’s exam room
A bulldog specialist, 20 years breed specific clinical experience

Culture it before the fourth course

A dog with one urinary infection gets treated. A dog with four gets treated four times, and somewhere around the third one a question should have been asked that usually is not.

The question is whether this is the same infection returning because it was never fully cleared, or a new infection each time because something keeps re-seeding it. Those are different problems with different answers, and the test that separates them is a urine culture.

I understand why it often does not happen. The owner wants the dog comfortable today, a culture takes a few days, and a broad spectrum antibiotic usually works. The trouble is that each empty course nudges the bacteria along, and the dogs who end up with a genuinely resistant infection are very often the ones who had four or five quick courses first. By then the easy drugs are gone and we are choosing from a shorter list.

It is the difference between mopping the floor and looking for the leak. Mopping is faster every single time, right up until the ceiling comes down.

So if your girl is on her third or fourth round, ask for a culture, and ask what is being done about the fold. Neither request is unreasonable and both are cheaper than the alternative.

Dr. Roy Kraemer, DVM

How To Prevent Cystitis Associated With Vaginal Fold Dermatitis in Bulldogs?

Dry: To prevent Vaginal Fold Moist Dermatitis (VFMD) or manage mild cases, it’s crucial to keep the folds dry.

Topical bully antiseptic therapy could be employed and complemented with therapeutic supplements to effectively address the condition and promote healing in the affected areas.

Bully Skin and Coat Essential bundle with two shampoos, conditioner, and Fish Oil EFA 60 chews

#1 Bulldog therapeutic antiseptic topicals

For more severe cases, the recommendation is to use topical therapeutics daily

🐾 An honest word about products
This is the daily maintenance the antibiotics cannot do

The honest framing first. If your dog has an active urinary infection right now, that is a prescription and your veterinarian’s decision, and nothing here replaces it. These are topicals, so they belong alongside what has been prescribed rather than instead of it.

Bully Skin Folds Antiseptic ULTIMATE Bundle for Bulldogs and French Bulldogs

But this is one of the pages where the routine care genuinely is the treatment plan rather than an accessory to it, because the fold is the source. Keeping it clean and properly dry every day is what stops the resupply, and that is ordinary owner maintenance of exactly the kind this site exists to teach. The wipes are the practical daily option. Dry the fold afterward rather than leaving it damp, which is the step most often missed and the one that decides whether any of it works.

Two things to be clear about. This does not reduce her weight, which on this particular problem is the biggest lever you have. And it does not remove a fold that is simply too deep, which is a surgical question. If she is still recurring after a genuine run at the daily care, that is a conversation to have rather than more wipes. The urinary tract infection page covers the infection side.

See the skin fold range

To be clear: supplements or topicals are not substitutes for prescribed treatment. If your dog is unwell, is being treated for a condition, or is already on medication, review any supplement or topical with your veterinarian so it fits the plan you are already following. This page is educational and is not a diagnosis or a treatment plan for your own dog.

#2 Bulldog therapeutic supplements

Bully UTI & Urinary Health Chews, close-up product photo on white background.

#3 Vaginal Fold Dermatitis in Bulldogs Surgical Treatment

The primary objective of this procedure is to eliminate excess skin folds around the vulva, restore a more anatomically normal position, and enhance airflow.

By doing so, it promotes the

  • Drying of the area
  • Minimizes moisture trapping
  • Minimizes bacterial growth

Ultimately, preventing frequent urinary tract infections (UTIs).

Bulldog Hood and Vaginal Fold Surgical Correction Safty

  1. Anesthesia:
    • Performed under general anesthesia to ensure the comfort and safety of your bulldog
  2. Resection of Excess Skin:
    • Excess skin surrounding the vulva is meticulously removed in a crescent or horseshoe shape, eliminating the “hooded” appearance.
    • Removal of underlying fatty tissue may also be undertaken.
  3. Suturing:
    • The remaining skin edges are skillfully sutured together, creating a tighter and more open vulvar area.

Bulldog Vaginal Skin Fold Dermatitis Vaginoplasty surgical repair

Benefits of Bulldog vaginal skin folds surgery

  • Reduced Risk of UTIs:
    • Significantly diminishes the likelihood of recurrent urinary tract infections.
  • Enhanced Hygiene and Comfort:
    • Improves overall hygiene and comfort for the dog.
  • Minimized Inflammation and Irritation:
    • Aids in reducing inflammation and irritation in the vulvar area.
  • Facilitates cleaning and maintenance:
    • It enables easier cleaning and maintenance of the folds, contributing to the ongoing well-being of the dog.

Reddened skin and crusting around a hooded vulva in a French Bulldog.

Bulldog UTI due to Vaginal Fold Dermatitis: Tips & Warnings

Here are recommendations and cautions curated by Dr. Kraemer regarding this medical condition.

#1 Bulldog Vaginal Folds Anatomy TIP:

Get to know the curvature and depth of the folds by gently exploring them with the antiseptic bully wipe. Rolling your bulldog onto her back or side can make the folds more accessible and easier to clean. Utilize Dr. Kraemer’s medicated antiseptic products, do so daily, and ensure thorough coverage of the hood and folds.

  • V4BBully Skin Fold Wipe
  • V4B Bully Skin Fold Lotion

Dr. Kraemer’s Bully Wrinkles Antiseptic XL Wipes, 60 pull-out wipes

#2 Bulldog Vaginal folds Dermatitis Surgery Warning:

In cases where vaginal fold dermatitis progresses to chronic and persistent urinary tract infections (UTIs) or severe and persistent moist dermatitis, my typical recommendation is surgical intervention.

#3 Bulldog Anal Gland Impaction Warning:

There is a common misconception among some pet owners and pet care professionals, who may incorrectly attribute a pet’s sensitivity and rear-end itching to issues such as anal gland impaction or intestinal parasites.

The anatomical location of the vagina, situated low and under the rear end, can lead to the oversight of the actual problem, making it easy to misinterpret the root cause of the symptoms.

Asked by Bulldog owners
Vaginal fold dermatitis and recurring UTI: quick answers

Why does her urinary infection keep coming back?

Because the source is still there. In most of these dogs the bacteria are not surviving inside the bladder, they are being resupplied from the skin fold sitting over the vulva, which stays warm and damp and collects a little urine every time she goes out. Antibiotics clear the bladder and do nothing whatever to the fold, so once the course ends the same journey happens again. That is why these cases recur on a predictable rhythm, and why the fix is skin care, weight and sometimes surgery rather than another prescription.

She is on antibiotics again. Is that a problem in itself?

Repeatedly, yes, and it is worth understanding rather than just worrying about. Each course kills the bacteria that are susceptible to it and leaves behind whichever ones survived, and those survivors repopulate. Four or five courses in a year is an efficient way of ending up with bacteria that the usual drugs no longer touch, at which point a simple problem becomes a difficult one. This is not an argument against treating an infection she actually has. It is an argument for dealing with the fold so that there are fewer infections to treat.

Does her weight really make a difference to this?

More than almost anything else, and I would rather say so than be polite about it. Fat deposits around the perineum make the fold deeper and tighter, so a heavier dog traps more moisture and recurs more often. Reducing her weight physically changes the shape of the area rather than just improving her health in general, which is why it sometimes resolves the problem on its own. It is slow work and it is the least appealing advice on the page, and it is also the lever most completely within your control.

How do I clean the fold properly?

Gently, regularly, and the important half is the drying. Lift the fold, clean inside it with something appropriate for skin rather than a household wipe, and then dry it thoroughly before you let it close again. A fold that has been cleaned and left damp is still a damp fold, and damp is the entire problem. Daily is the target, the same as the face wrinkles, and it takes under a minute once it is habit. If the skin inside is raw or she objects sharply to being touched there, stop and have it looked at rather than persisting, because inflamed skin needs treating before routine care will be tolerated.

Why does my vet want a urine culture instead of just a dipstick?

Because by the second or third episode, knowing there is an infection is much less useful than knowing which one. A dipstick and a quick look under the microscope confirm that bacteria are present. A culture identifies the organism and reports which antibiotics actually work on it, which matters enormously in a dog who has already had several courses, since the earlier rounds will have shifted what survives. In a recurring case I would consider a culture close to essential, and it is a reasonable thing to request by name if nobody has suggested it.

Is surgery really necessary?

Not for every dog, and genuinely curative for some. The operation removes the fold of skin that hoods the vulva, and once that fold is gone the trap that was feeding the infections goes with it. I would want the conservative approach given an honest run first: daily fold care done properly, and weight addressed if there is weight to address. But in a dog with a deep fold who keeps recurring despite all of that, surgery ends a cycle that would otherwise continue for years, along with the repeated antibiotic courses that go with it. It is worth asking about rather than waiting to be offered.

Does spaying have anything to do with it?

There is a genuine discussion about this and I will give it to you as a discussion rather than a verdict. The vulva develops under hormonal influence, and some clinicians and surgeons consider that spaying before a female has matured can leave the vulva small and more recessed, which deepens the fold. Others are less convinced. What is not disputed is that a recessed vulva, whatever produced it, is the setup for this problem. So it is a reasonable thing to discuss with your veterinarian when timing a spay in a Bulldog female, weighed against the other considerations that go into that decision, and not a reason for regret if your dog was already done.

More Help from Dr. Kraemer

The fold, the bladder and the skin all sit on the same problem. These pages go deeper:

References

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By Dr. Roy Kraemer

Roy Kraemer, DVM is the founder of Vet4Bulldog and the V4B line of preventive care products for Bulldogs and French Bulldogs. A Tufts University veterinary school graduate, he built and ran a Southern California veterinary hospital dedicated exclusively to these two breeds, and spent over 20 years working almost entirely with them, including years of rescue work alongside So Cal Bulldog Rescue. In practice he combined conventional medicine and surgery with regenerative therapies including stem cell treatment, PRP and therapeutic laser, alongside nutrition, topical therapy and supplements. His emphasis throughout has been preventive care and longevity rather than treating problems once they take hold. He has been asked to comment on Bulldog and French Bulldog health by Business Insider, HuffPost, The US Sun, NBC Los Angeles and the OC Register.

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