Curing Giardia in Dogs

Let's talk about symptoms, testing and treatment options for giardia in dogs. Neither standard testing or treatment always work for this dog diarrhea causing protozoa.

This is Jack, a dear friend's dog who had undiagnosed giardia for years and couldn't gain weight. All better, he is now 19 years old.

What is giardia anyway?

Like all my pages here at three-little-pitties I'll be as simple and straight forward as possible.

It's a one celled protozoa which is ingested in the cyst stage and travels to the intestines where it sets up camp. (see, a not so scientific explanation.)

It lives and feeds in the intestines causing inflammation and reproduces by splitting. It also exits through dog poop in the cyst stage. (I know, I never seem to use the word feces.)

As with all parasites, the less healthy the dog, the better conditions for them to feed and reproduce.

This means, a sick dog is your sign to improve his health.

Diagnosing Giardia

It's hard to diagnose giardia in dogs for a couple reasons. Since the symptoms of giardia are not unique and aren't necessarily constant, a dog can have it for years without discovery.

Here are the symptoms:

  •  recurring diarrhea, mild to severe
  •  explosive diarrhea
  • soft, light colored, greasy looking stools
  •  gassy
  •  weight loss
  •  loss of appetite
  • eating, but still losing weight
  • dehydration
  • listlessness and fatigue
  • mucus in the stool
  • nausea and vomiting

The second reason it's hard to diagnose is that the protozoa are not expelled through the feces (see, I did it right this time) on a constant basis so you must take a stool sample to the vet at least three times in a ten day period and kind of cross your fingers. (Yup, more science.)

See the legs on the giardia? They help them swim around and attach themselves to the intestines. Youch!

Medical Giardia Treatment

The most commonly used drug is Metronidazole (Flagyl). says it's an antibiotic yet Wikipedia says its an antibiotic/antiprotozoa. All I know is that giardia is not bacteria, it's a protozoa. 

Not too surprisingly, is it isn't always effective and it has side effects. Some of them are scary.

I took these from the human side effects list because how would we know if our dogs were experiencing some of these things? Of course your dog may not show signs of side effects but personally I won't give my dogs anything that might cause seizures. Especially when I know natural healing methods to cure giardia in dogs without any side effects (unless you want to count improved health.)

  • Agitation
  • back pain
  • blindness
  • blurred vision
  • confusion
  • convulsions
  • depression
  • dizziness
  • drowsiness
  • eye pain
  • fever
  • hallucinations
  • headache
  • lack of coordination
  • nausea
  • seizures
  • shakiness & unsteady walk
  • vomiting

A Natural Approach to
Cure Giardia in Dogs

Okay, now we're in my territory. I love herbs and natural healing. As a heads up for you, I only recommend Nature's Sunshine products but there is a very good reason and it's about quality as in purity and potency.  

Here are my recommendations. It takes all six of these and a bit of patience.

Liquid Silver Shield (Stock # 4280-5 - a powerful natural anti-pathogen which also reduces inflammation. Take on an empty stomach.

Black Walnut (Stock # 90-8) - natural anti-parasitic used internally to help get rid of many kinds of worms, amoebas, protozoa and fungus. If you have a small dog you may choose the liquid concentrated form of Black Walnut (#l755-7)

Echinacea & Goldenseal (Stock #835-2)- antimicrobial and infection fighting herbs for the gastrointestinal tract 

Intestinal Soothe and Build (#1106-2) Especially if your dog has had giardia for some time, this will soothe the damaged intestinal wall and encourage new cell growth for faster recovery.

Liver Cleanse (#1010-3) is a blend of herbs and nutrients specially formulated to nourish and protect the liver to support its natural cleansing functions. (Note: the liver performs 500 daily functions & both Metronidazole (Flagyl) & Fenbendazole (Panacur) which may be prescribed with it can potentially cause liver damage.

NutriBiome Bacillus Coagulans Probiotics  (# 6109-3 )  -  An excellent way to help reset the intestinal  microbes. Most probiotics used when diarrhea is present, tend to create more diarrhea. This heat tolerant strain is perfect for giardia in dogs because it helps stop the diarrhea while doing the job of repopulating the gut.

Optional Remedies

Dandelion (Stock# 250-4) - this common garden weed has a long history of use as a liver and kidney remedy. It is high in potassium, a mineral that is easily lost with diarrhea.

How to Purchase

If your dog has been diagnosed with giardia; if your dog has been through the  Metronidazole (Flagyl) one, twice or three times and the giardia is still present, you can purchase the six items listed above at ThreeLittlePittiesNSP.  On the home page of that website simply leave me a message as to what products you've purchased along with the weight, breed and age of your dog and I'll email you with the doses.

Shopping NSP is a breeze. Simply copy and paste the product in the search box, put it in your shopping cart and copy and paste the next item etc.

Get a Discount: Be sure to sign up as member at checkout (it's free to join) and you will automatically get the same discount I do.

If you wonder why I'm so adamant about Nature's Sunshine products, click over to my  Why NSP? page to see why I only use human products for dogs.


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Note: by the way Black Walnut combined with one other herb prevents other internal parasites including heartworm without any toxic side effects.

If You've Had Trouble Curing Giardia

All but one of the people I've helped cure their dog of Giardia have given the drug protocol more than once to their dog before they contacted me.

The time range of infection has ranged from 2 months to 2 years before they used this natural approach and finally won the battle. Just remember, curing your dog of giardia can be done with patience and persistence.

Giardia in Dogs to Dog Disease

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