Natural Treatment for Giardia

Hello Jan,

Do you know how any natural ways to cure Giardia?
I have heard Oil of Oregano or Grapefruit Seed extract?

Thank you


Hi Giancarlo,

Giardia is a parasite that is fairly common in dogs in certain areas.  It usually goes away on it’s own.  If it’s chronic or persists over two weeks or there’s a lot of blood in the stools or if your dog gets listless, then you should seek vet treatment.

The danger of giardia is dehydration from too much diarrhea so be sure he gets enough water. To encourage him to drink you can add some broth to his water – he should then lap it up!

You vet will most likely treat the infections with Metronidazole (Flagyl), an anti-fungal medication which is effective but not a good long term solution.

Oil of oregano is pretty hard on the stomach so I wouldn’t recommend using it. One I do use is a herbal remedy with black walnut, clove, and wormwood variations which you can get at a natural or health food store.  Get the liquid form so you can control the dosage. I haven’t tried the grapeseed oil but have heard of people using it.

Personally I’d do the black walnut treatment and wait to see if it resolves itself.  I would also work on boosting his beneficial bacteria to and boosting his immune system by adding probiotics (beneficial bacteria) and L-Glutamine (an amino acid to aid digestion) to his food.

Both are available at natural foods stores.  Bear in mind the normal dose is for a 150lb human so change for his weight.  You should  also add omega 3s in the form of fish oil or flaxseed oil.  These should help boost his immune system and prevent more infection.

your bulldog pal,



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