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Puppy Diarrhea Treatment 

There are several puppy diarrhea treatment options and which route you choose depends on the type, duration, severity and cause of the diarrhea.

The occasional, mild bout of loose stools is usually a pretty simple fix... IF the problem is being caused by something simple.

But more serious, or chronic, diarrhea in puppies and dogs needs veterinary help to avoid dehydration and find/treat the root of the problem.

Dog de Bordeaux puppy

It's very  important to find out what's causing your puppy's diarrhea.

The frequency, color, and consistency of the diarrhea can point you in the right direction.

The most common causes for loose stools and diarrhea in puppies include things like 'dietary indescretion' (ie your curious puppy has eaten something he shouldn't have), a sudden change in diet, or stress.

Before you decide on a course of treatment, I'd recommend check out my All About Puppy Diarrhea page so that you know what you're dealing with.


Severe diarrhea that is frequent, watery, foul-smelling or contains blood or mucus requires a much more proactive response and a professional, veterinary consultation IMMEDIATELY! This should always  be taken seriously.

Use these links to jump directly to the info. you're looking for, or simply scroll down to read it all:

Treating mild to moderate diarrhea in puppies

Treating moderate to severe puppy diarrhea

Mild - Moderate Puppy Diarrhea

If the diarrhea started because you suddenly changed from one food to another, next time remember to make the transition more slowly.

Gradually increase the new food and decrease the old over about a week, rather than just making an abrupt switch.

If your puppy has had a couple of loose stools, but isn't showing any other signs of illness, chances are it's being caused by something he's eaten, or by stress.

Here are some simple steps you can take to treat this type of diarrhea at home.

They should show results within 24 hours or so.

But, if your puppy starts to vomit, appears lethargic or shows any other symptoms of illness.... or her stools haven't improved after 24 hours it's important to get her a veterinary exam right away.

You can't be too careful in this situation.

Fasting Or Withholding Food

If a puppy's tummy is upset because of a dietary indiscretion, one of the quickest ways to help her feel better is to give her digestive system a rest.

Puppy with empty food bowl

You can achieve that by fasting her for a short period.

For a puppy of 16 weeks and up you can usually withhold food for 24 hours without too much trouble.

If your pup is only 8 - 16 weeks old you might want to give her a couple of plain, dry dog biscuits or a handful of plain, cooked, white rice before bed to prevent her vomiting from a build up of acid in her tummy.

Although she won't be getting fed, you need to make sure that your pup gets plenty of fresh water to drink.

Dehydration is the number one issue caused by diarrhea and is responsible for weakening a puppy's immune system and compounding the problem.

After the 24 hours is up, you can start by feeding your pup a small amount of plain, boiled, white rice with a little chicken broth added.

Canned Pumpkin

Adding a teaspoonful of canned pumpkin (preferably organic, and not the pie filling variety) can also help to firm up the stools.

Adding a little canned pumpkin to her food works well for a constipated puppy as well - interesting and useful to know!

A small amount of pureed sweet potato has the same effect.

If that is tolerate okay and the diarrhea is improving, then you can add a little plain boiled chicken to the rice for her next meal.

Over the following day or two, slowly reintroduce her usual puppy food by adding it to the chicken/rice mixture a little at a time.


There are a few things you can do to help a pup who just has the 'squirts' due to a minor upset....

I recently came across this great alternative to canned pumpkin.

All the benefits, without any of the disadvantages.

Firm Up Pumpkin Supplement for Dog Digestive Health

Also great for puppies or dogs who are picky eaters, or have chronic digestive issues.

I recently came across this great alternative to canned pumpkin!

All the benefits, without any of the disadvantages.

Firm Up Pumpkin Supplement for Dog Digestive Health

Also great for puppies or dogs who are picky eaters, or have chronic digestive issues.

Some products that are designed to  help deal with occasional, mild to moderate diarrhea in puppies and dogs include BM Tone-up Gold, Runnipoo Relief and DiaGel for dogs.

Adding Prozyme, a blend of four natural enzymes which aid in digestion and nutrient absorption, to your pup's food can help rebalance the gut and reduce loose stools.

The column to the right of this content also features a wide range of natural supplements and products which are designed for digestive support, rehydration and to help with conditions such as Parvo (in addition to vet care of course!)

OTC products

There are a couple of 'people' products that you can give to your puppy which may help with a mild case of diarrhea.

You can give your pup liquid Pepto Bismol, 1/2 teaspoon per 10lbs of body weight, every 3 to 4 hours.

Don't expect your pup to lap this up though, you're going to need to use a small syringe or dropper to get it into her mouth!

This is fine for puppies over 6 weeks old.

Immodium can be given to dogs, and possibly even puppies, but only under a veterinary supervision because some breeds, and dogs with some health conditions can react very badly to the active ingredient.


Something else that is helpful in rebalancing your puppy's digestive system is to use a probiotic.

This will encourage the growth of 'good bacteria' in the gut, and can settle things down.

I'd recommend Nutramax Proviable Health Supplement Kit for Medium and Large Dogs it's also available for small dogs.

Here are a few more excellent, natural products that can help re-hydrate your pup, fight infections and soothe upset tummies......

Diarrhea in puppies and dogs can be caused by poisoning. 

If you feel that your puppy may have eaten could be toxic or dangerous to her contact a Poison Control Hotline, or get her to a veterinarian immediately.

These pages contain lots of information to help you....

Moderate - Severe Puppy Diarrhea

Anytime that your puppy's diarrhea is frequent, watery, projectile and smelly you need to consider illness.

Parasitic conditions such as Giardia or Coccidiosis can cause this type of diarrhea, so can viral or bacterial diseases... the most common and deadly of these is Canine Parvovirus.

Puppy diarrhea of this kind is much more dangerous than the 'pudding stools' I talked about earlier on this page.

Moderate to severe diarrhea poses a very real threat to your puppy's health, and puts him at almost immediate risk of dehydration.

What You Can Do At Home

Getting enough fluids into her is VERY important if your pup has watery diarrhea and the first thing you need to do is get her drinking.

treating puppy with diarrhea at hom

Plain, fresh water is good, but for repeated diarrhea it's even better if you can give her a rehydrating solution.

Pedialyte (which is designed for children with vomiting/diarrhea) can be found in most big grocery stores and pharmacies.

Give your pup this instead of water (the unflavored variety is the one that your pup is most likely to drink!). You can dilute it half-and-half with water, or give it full-strength if she'll drink it that way.

If your little one refuses to touch it even when diluted, try adding a little bit of flavoring such as chicken broth or the commercial 'dog food flavorings and gravies' that are sold in pet stores.

There's a rehydrating solution similar to Pedialyte but formulated especially for dogs, it's called K9 Quencherand is flavored to appeal to them. It's a good idea to have some on hand so that if your pup gets sick you're prepared.

It's also good for puppies and dogs in very hot weather, or after vigorous exercise.

There are also a selection of really excellent all-natural products that you can use to help with diarrhea and digestive upsets....

Parvo Virus Combo Pack

BM Tone-Up Gold

DiaGel for Small Dogs

PetAlive RuniPoo Relief

Vibactrais a natural antibiotic and Vibactra Plus also includes a herbal anti-parasitic.

For Parvo itself, there's another all-natural, product called Parvaid. A blend of anti-microbials and herbs that fight the Parvo virus.

BUT I wouldn't recommend using these products as an alternative to mainstream veterinary care if your puppy has moderate to severe diarrhea, but for a mild case either of them can be very effective.

When a puppy is vomiting as well as having diarrhea the danger is multiplied, because any water she drinks is likely to be vomited back up before any is absorbed into her body.

If your pup won't/can't keep down fluids you need to get her emergency veterinary help.

Another serious symptoms which needs to be evaluated by a veterinarian immediately is...

Watery diarrhea that contains mucus or blood (either as streaks of red, or a dark brown/black tarry consistency), this means that there's some serious inflammation.

Although some of the causes of this type of diarrhea aren't life threatening, this is no time to take a 'wait and see' attitude.

A puppy with repeated watery and/or bloody diarrhea (with or without vomiting), needs to be seen by a vet without delay.

Even if there are no other signs of illness.

If, in addition, she seems sad or depressed, is lethargic or totally disinterested in food, toys or treats, or has a fever, get her to a vet immediately.

IMPORTANT: PLEASE get immediate veterinary help for a puppy who has repeated, watery or severe diarrhea, especially if there is blood or mucus.

Even a 24 hour delay can mean the difference between recovery and death in some situations.

Puppy Diarrhea Treatment From Your Veterinarian

If your puppy has severe diarrhea, with or without other signs of illness, you need to get her to your veterinarian for an exam.

Veterinarian with clipboard for symptom notes

Dehydration can set in very quickly and the worse the diarrhea and the younger the puppy, the more likely it is to quickly develop into something serious.

Usually your vet will take a stool sample to test for parasites and bacteria or viruses and give IV fluids to combat dehydration.

Once there's a diagnosis treatment can get started.

IV antibiotics are often given for Parvo, alongside continuing IV fluids and sometimes anti-nausea medications as well.

This is usually called 'supportive care' because as Parvo is a viral condition there is no 'cure', it's a case of supporting the puppy and trying to head off secondary infection until her immune system fights off the virus... if she can.

Giving your puppy Parvaid (if she can keep it down) is a good way to help her fight back.

For Coccidia your vet will likely prescribe the antibiotic Albon. 

Giardia is generally treated with Metronidazole.

These medicines are usually effective, but they need to be given regularly and as your vet recommends.

Parasitic infections like these can be stubborn and often a puppy needs more than one round of treatment to get rid of the problem.

› Treating Diarrhea In Puppies

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