Male Dog Leaking Clear Fluid (What’s Wrong With My Dog?)

male dog leaking clear fluid

A couple of months back, I was having some mysterious leaks that appeared out of nowhere at home. For the life of me, I could not figure out what was causing these little puddles of water.

I even had the roof guy come in to check if my roof was allowing rainwater to seep in but my roof was as good as new. It was only after a week or so that I started to suspect it was who was the leaky faucet (more on that later).

Is it possible for a male dog to be leaving clear fluid? Male dogs can start to leak clear fluids out of the blue. The leakage can be caused by discharge from the penis, a urinary infection or issues with your dog’s anal gland. If the discharge is bloody or smells bad, medical treatment will be required to resolve it.

In this article, we will be taking a look at the reasons that are causing these mysterious puddles from your male dog.

What Causes A Dog To Leak Fluid?

Yes, I know that it sounds like your dog is some beat-up old car that is leaking fluids on the road. But as a dog owner myself, I have experienced some fluid leakage from my dog on a couple of occasions.

Some mysteriously disappeared as suddenly as they appeared while some needed a visit to the vet for treatment.

Here are some causes that might help point you in the right direction in solving your mystery puddles.

Urinary Tract Infection

Urinary tract infections or UTIs are very common in both dogs and cats. More than 14% of dogs will get it at least once in their lifetime. So it is something that you need to be prepared for.

A UTI happens when your dog’s urinary tract gets infected and it becomes swollen and inflamed. A dog with UTI will experience the following symptoms:

  • Straining to pee
  • Peeing more frequently
  • Vocalizing in pain while peeing
  • Excessive licking of genital area
  • Blood in the pee
  • Strong odor from the urine
  • Urinary incontinence

A UTI is usually caused by a bacterial infection that starts when the bacteria enters your dog’s urethra. Your dog might have come into contact with contaminated fecal matter or soil. The bacteria can also come from your dog’s gastrointestinal tract when it starts to multiply in abundance.

Just to be clear, a bladder infection is another form of UTI but not all causes of UTIs are from a bladder infection.

But How Can Urine Be A Clear Fluid?

dog leaking clear urine

Some dogs with UTI are smart enough to realize that the more water that they drink, the less painful it feels when they urine. So it might be obvious right off the bat that the dog is suffering from a urinary infection.

The dog will drink so much water to the point that it can’t even hold its pee in when it’s sleeping. This can cause some urine to leak out at times.

Given that the dog has been drinking so much water, its urine has been diluted to the point of being clear and odorless.

Try drinking a few liters of water a day and you’ll know what I mean.

Having urinary incontinence can be bad for your dog’s skin. When the urine leaks out at night while the dog is sleeping, it can cause the skin around the dog’s penis to become inflamed as urine is caustic. When this happens, the skin on your dog’s balls can start to peel.

What Can You Do To Resolve Your Dog’s UTI?

A UTI isn’t something that you can conveniently treat at home. Your dog needs to be taken to the vet for a urine analysis.

The best form of treatment for UTI is a course of antibiotics to kill off the invading bacteria in your dog’s urinary tract.

Penile Smegma

I know of a few dog owners that tend to prefer female dogs over male dogs due to their lack of dangly bits. Truth be told, both genders do have their own specific issues.

If you have a male dog, it is common to see some penile discharge from time to time. The most common cause will be due to just normal smegma discharge.

Smegma is a kind of discharge that is found at the tip of your dog’s prepuce. The prepuce is the fold of skin covering the non-erected penis. Smegma is made up of dead skin cells and some protein. The amount and color of the smegma vary from dog to dog.

I got a friend that says his dog’s smegma resembles avocado custard. Thanks, Jim if you’re reading this. You just killed my love for avocado permanently.

You can see this discharge coming from your dog’s penis sheath while it is resting or sleeping. The smegma acts as a natural lubricant for the dog when it mates with a female dog.

It might seem like a clear fluid on the floor or bedding but if you were to wipe it with a piece of tissue, it will most likely be yellowish-white.

Is My Dog’s Penis Infected If There Is Smegma?

It is normal for male dogs to have some smegma discharge every now and then. Not something that you should be concerned about.

Male dogs that are not neutered tend to produce more smegma than sterilized dogs as the need to mate is stronger in them. This causes the body to produce more smegma in the event the dog engages in copulation.

If you notice that your dog’s smegma has pus or has become a bloody discharge, you need to get your dog to the vet immediately to treat this abnormal discharge.

A Wet Dream

do dogs have wet dreams

I know that many dog owners would not believe that is possible that their male dogs can have a wet dream. But it is.

My vet doesn’t believe it either but I have spoken to a few dog owners who have seen it happen before.

Here’s why dogs can have wet dreams too.

Dogs have the same sleep cycle as humans but they tend to be shorter. The first phase is when they start to fall into a light sleep with steady and deep breaths. The dog is still rather aware of what is happening around it.

After this phase, the dog will fall into a much deeper sleep called rapid eye movement or REM. It is during this phase that the dog can start to dream, make sounds and jerk in its sleep.

You might even notice your dog’s eyes slightly rolled back if its eyelids are open.

Wet dreams might be more common in young dogs who are just approaching sexual maturity. They have a high level of sex hormones called testosterone surging through their veins.

Canine Diabetes

obese dog

Do you know that more than 50% of dogs in America are overweight? This is a very sad fact as many dog owners don’t think much of it and many dogs are suffering in silence.

The number one reason why many dogs are overweight is due to a poor diet and overfeeding. The majority of dog owners feed their dogs dry food which is convenient and affordable. Dry food contains a lot of carbs which isn’t ideal for a dog’s natural diet.

Dog owners also don’t think twice about the kind of human foods they feed their dogs as treats which can also be very high in fat and sugar.

A dog becomes diabetic when the body isn’t able to produce enough insulin to break down the sugar in its blood.

Dogs with diabetes tend to show these symptoms:

  • Excessive thirst
  • Frequent urination
  • Unexplained weight loss
  • Vomiting

Similar to having a UTI, the excessive amount of water that the dog drinks can over-dilute its urine making it seem like clear fluid.

Treatment For Canine Diabetes

There is no cure for diabetes which is why we shouldn’t even let it happen in the first place through poor nutrition.

The best way to diagnose this problem is to check your dog’s blood sugar levels. Daily insulin medication will have to be administered via injection and a diet overhaul.

Why Is My Male Dog Leaking Brown Fluid From Its Anus?

You might not be aware of this but just behind the entrance of your dog’s anus lies its anal glands. These anal sacs contain anal gland fluid which is used for territory marking, dispersing your dog’s pheromones and lubricating its poop.

This fluid is dark, oily and thick.

I know of many dog owners who are afraid to go near their dog’s anal glands because the fluid smells like rotting hot fish.


There is a possibility of your dog’s anal glands getting a bacterial infection. Once this happens, they tend to swell up and the fluid inside can’t flow out properly.

To treat impacted anal sacs, they need to be expressed or emptied. This can be done by the vet or yourself if you know how to do it.

Why Is My Female Dog Leaking Clear Fluid?

Not only can male dogs start to leak clear fluid out of the blue. Female dogs too can leak a clear fluid which might be a mystery to some dog owners.

Well, maybe not that big of a mystery now since both genders do share similar causes. But female dogs can have a vaginal discharge which can be normal or due to an underlying problem.