Do Cats In Heat Leak?

What Happens to Female Cats in Heat

When a female cat reaches puberty, usually around 6 months of age, she enters her first estrous or heat cycle ( The estrous cycle is the reproductive cycle in cats when the cat can become pregnant. It occurs in seasons or cycles that are on average every 2-3 weeks.

During each heat cycle, estrogen levels rise causing ovarian follicles to mature and release eggs ready for fertilization. There are a number of visible changes in the cat’s behavior during this time including increased affection, rolling, vocalizing and raising the tail upwards ( These changes alert male cats that the female is in heat and ready for mating.

Do Cats Leak Urine When in Heat?

Yes, it’s possible for female cats to leak small amounts of urine when they are in heat, though it is not very common. The main reason cats may leak urine during their heat cycle is due to hormonal changes that cause the muscles around the urethra to relax. This relaxation allows for occasional leakage of urine, especially when a cat is particularly aroused while in heat (1).

The leakage tends to be minor and sporadic, just a few drops here and there. It is usually accompanied by a bit of bloody vaginal discharge, which is normal for a cat in heat. The blood comes from ovulation. The amounts are very small though, just enough to leave some pinkish stains on bedding or furniture (2).

So in summary, while full-on urinary incontinence is rare, some minor urine leakage can occur in female cats during an intense heat cycle due to temporary hormone-induced relaxation of the urethral sphincter muscles. The leakage is minor and temporary, ending when the heat cycle finishes.



Signs Your Cat is Leaking Urine

There are several signs that may indicate your cat is leaking urine when in heat:

Dribbling urine – You may notice small amounts of urine dribbling out when your cat is resting or walking around. There may be wet spots where your cat was laying or sitting. According to PetMD, involuntary leakage of urine is a symptom of urinary incontinence in cats.

Bloody discharge around genitals – Some cats experience a bloody vaginal discharge in addition to leaking urine. The blood is usually light pink or red in color. The discharge may stain the fur around the genital area. This can be a sign of a urinary tract infection or reproductive issue.

Crying in litter box – If your cat cries or meows excessively when trying to urinate in the litter box, it may be indicative of discomfort and leaks. According to WagWalking, cats with urge incontinence often have frequent urination accompanied by signs of distress.

Wet fur around abdomen or legs – You may notice your cat’s fur coat is damp around the abdomen, inner thighs or between the hind legs. This wet fur is caused by small amounts of leaking urine.

Wet spots on bedding – When your cat lies down, leaked urine can transfer onto bedding and leave wet spots. Check blankets, beds, furniture cushions, etc. for wet marks.

Offensive urine odor – The ammonia odor from cat urine is very strong. If you notice this smell where your cat frequents but don’t see any wet spots, it could be from traces of leaked urine.

Why Cats Leak Urine in Heat

There are a few key reasons why cats tend to leak urine when they are in heat:

Hormones relaxing muscles – When a female cat goes into heat, her body produces hormones like estrogen that cause muscles around the bladder and urethra to relax. This makes it more difficult for the cat to hold in urine.

Inflammation – The swelling of the vulva and vagina during heat can put pressure on a female cat’s urethra, making it harder to retain urine. This inflammation can also cause temporary incontinence.

Urinary tract infectionsAccording to HomeoPet, urinary tract infections are one of the biggest causes of incontinence in cats. The infection causes inflammation, irritation, and a frequent urge to urinate.

The hormonal changes of heat combined with vulva swelling and potential UTIs result in a loss of muscular control around the bladder. This makes it very common for intact female cats to leak urine when in heat.

Is Leaking Harmful to Your Cat?

Leaking urine is not inherently dangerous for cats, but it can be a sign of an underlying medical issue that requires veterinary attention. Urinary incontinence is the involuntary leakage of urine. It occurs when a cat has weak bladder muscles or sphincters that no longer hold urine in the bladder.

While the leaking itself does not harm the cat, the underlying cause often does need treatment. Leaking urine could indicate:

  • A urinary tract infection (UTI)
  • Bladder stones
  • Hormone imbalances
  • Kidney disease
  • Spinal injury or neurological disease

These conditions can cause pain, discomfort, and other health issues if left untreated. So while a little leaking on its own may not be dangerous, it’s a sign to get your cat evaluated by a vet. Proper treatment of the underlying problem will stop the leaks and prevent further complications.

Some cats also leak due to anatomical defects, weakened muscles, or age. These cats can often be managed with medications, lifestyle changes, and sometimes surgery. Getting an accurate diagnosis allows you to properly manage the condition and keep your cat comfortable.

Treating a Cat Leaking Urine

If your cat is leaking urine when in heat, there are some things you can do at home to help treat the issue and make clean-up easier:

  • Add extra litter boxes around your home so your cat always has easy access to an appropriate place to urinate. Cats don’t like to urine right next to where they eat or sleep, so spread the boxes out.
  • Consider using puppy training pads in areas where your cat likes to leak urine. This will make clean up much easier.
  • Feed your cat a urinary or bladder health cat food. These foods contain supplements that help support urinary tract health.
  • Give your cat bladder relief supplements or treats, which contain cranberry extract, glycosaminoglycans, and other ingredients that help support bladder health and control.
  • Use an enzymatic cleaner to fully break down and remove any urine smells. This helps prevent your cat from being drawn back to those spots.
  • Confine your cat to a single room lined with easy-to-clean floors when possible.

While extra litter boxes, cleaning, and supplements can help manage symptoms, the only way to fully resolve heat related leaking is to get your cat spayed. Discuss the benefits of spaying with your vet.

When to See the Vet

If your cat is leaking urine, it’s important to monitor the situation closely. Leaking that lasts for more than a day or two may indicate an underlying medical issue that requires veterinary attention.

Specifically, you should take your leaky cat to the vet if the leaking persists beyond a couple of days, if your cat strains or cries out when trying to urinate, or if you notice any other signs of a potential urinary tract infection like blood in the urine. According to PetMD[1], symptoms like straining, blood, and frequent trips to the litter box can signify bladder inflammation, bladder stones, or a urethral obstruction – all conditions that require veterinary care.

Additionally, PetMD notes that incontinence in male cats is very rare and thus any leaking in a male cat should be evaluated by a vet immediately. In female cats, leaking urine could potentially indicate issues like a urinary tract infection, bladder stones, kidney disease, or neurological problems.

The bottom line is that any persistent leaking of urine is abnormal in cats and warrants a trip to the vet for a full diagnostic workup. Catching the underlying issue early is important to relieve any discomfort for your cat and prevent complications. So if your kitty’s leaks last more than a day or two, don’t delay in making that vet appointment.


Preventing Heat Leaks

While urinary leaking during heat is normal for cats, here are some tips to help prevent or manage it:

  • Spay your cat. Spaying stops cats from going into heat, eliminating heat-related leaking. Discuss spaying with your vet at an appropriate age.
  • Use pet-safe diapers. Diapers for cats in heat can absorb urine leaks and save your furniture. Look for reusable diapers and change frequently.
  • Try calming supplements. Supplements with L-tryptophan may reduce stress in cats and lead to less frequent urinary leakage. Consult your vet first.
  • Get urine-proof bedding. Waterproof pads and blankets in your cat’s favorite sleeping spots can protect against leaks. Some reusable options can reduce waste.
  • Clean messes quickly. Cleaning urine right away prevents odors and stains which may attract more urination in the same spot.
  • Use cat attractant sprays. Sprays with pheromones can attract cats to appropriate places like litter boxes.

While leaks during estrus are normal, frequent or excessive leaking may indicate a medical issue needing veterinary attention. Monitor your cat closely and contact your vet if leaking seems abnormal.


Caring for a Leaky Cat

If your cat is leaking urine due to being in heat, there are some things you can do at home to care for them and make clean up easier:

Use pet-safe cleaners to clean any soiled areas thoroughly. An enzyme cleaner specifically made for pet stains is best to fully eliminate odors that may attract the cat back to the same spots (source).

Protect furniture and bedding with waterproof covers or sheets (source). Pee pads can also be placed in favored spots.

Feed your cat a moisture-rich diet to help dilute the urine and reduce leaks. Canned food or adding water to dry food can help (source).

Try to minimize stress for your cat, as anxiety can worsen leakage. Keeping your cat’s routine consistent, using calming pheromones, and giving affection can help.

Make sure your cat always has access to a clean, appealing litter box to encourage proper elimination.

Bring your cat in for regular vet checkups to rule out underlying medical issues contributing to leaks.

FAQs About Cat Leaking

Here are answers to some frequently asked questions about cats leaking urine while in heat:

Is it normal for a cat in heat to leak urine?

Yes, it’s quite common for female cats to experience some urine leakage or dribbling when they are in heat. The hormones associated with being in heat can cause relaxation of the urethral sphincter, allowing small amounts of urine to leak out involuntarily (PetMD). It’s not necessarily a cause for concern unless it’s happening constantly or in large amounts.

Will my cat grow out of leaking urine in heat?

In many cases, yes. Leaking associated with heat tends to improve as a cat ages and goes through fewer heat cycles. However, some cats may continue to experience issues, in which case a vet should be consulted (HomeoPet).

Can male cats leak urine when a female is in heat?

No, urine leakage due to hormonal changes only occurs in unspayed female cats that go into heat. Intact male cats do not go through hormonal cycles or heats (WagWalking).

Is leaking urine breed specific in cats?

Certain breeds like Siamese and Himalayan cats may be predisposed to leaking while in heat due to anatomical factors. However, any unspayed female cat can experience heat-related leakage regardless of breed. The extent can vary between individual cats (PetMD).

Scroll to Top