How to get rid of Giardia in a dog?

My dog has had Giardia since birth... He is currently 8 months old.

We have tried Flagyl several times including the last time which was 2x 250MG tablets twice daily for one week on and then a week off then another week on.

A couple months ago we also tried Pancur with no effect.

Does anyone have a suggestion? He is a Shetland Sheep Dog, 8mos old 28lbs

2010-12-08T14:07:35Z

Edit: All of this has been prescribed by a vet and the vet is at a loss of what to do next.

2010-12-08T14:29:06Z

Thank you all for your help!

The Vet is sending the stool sample out I believe to something called "IDEXX LABREXX TREATMENTS" and it costs me $32.00 every time to have him checked out.. The last time I was there the vet said he just may be a carrier because he shows no symptoms of Giardia.

2010-12-10T15:19:02Z

The vet says that the Floater test came back negative and that the Elisa test came back positive. They stated that the Elisa test could be throwing off a false positive because the infection was so severe there are still trace amounts of whatever the Elisa test searches for (whatever that is) and as long as he is asymptomatic she wants to re-test him in June on his next visit. Does this sound right?

Aduial2010-12-08T14:10:28Z

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If your vet is no longer able to help I suggest getting a second opinion.

Inga2010-12-08T14:13:48Z

You've got to be extra careful and clean so the dog doesn't reinfect himself.

But really, if your vet can't figure out what to do, then I'd be off to a different one. Giardia for 8 months can't be a good thing.

Add - no runny stool with mucous? Or putrid smell? I mean dastardly putrid odor? I would still go to another vet and get a confirmation of this. It sounds weird. Carrier means he can pass to other pups and you don't want to be responsible for that. So make sure you vigilantly clean up after him always.

Mouse2010-12-08T17:35:53Z

More than likely the dog is reinfecting themselves. If some of their water supply is outside where other animals can get to it ( especially birds), that can reinfect, or eating bird poop also can cause reinfection. So look at the environment and decontaminate the ground where the dogs poop and where wild birds might have access, And put the water to where you can prevent wildlife from gaining access to it and clean that daily . Also do your dogs play in ponds, creeks, and rivers. That is another source of potential reinfection .
Adult dogs may not have symptoms but be infected . So all the dogs have to be treated unless you get stool samples showing the other dogs don't have it. .

Hope this helps

Alesi's Chis2010-12-08T14:51:19Z

If you have other dogs, they should be treated at the same time. I'd treat for coccidia as well, since for some reason they seem to go hand in hand. I've had fecal exams run have them turn up positive for giardia only,and fenbendazol seems to do nothing even after prolonged treatment. I then treat with albon, and problem solved

Anonymous2010-12-08T14:21:15Z

albon is another medication that is sometimes used to treat giardia, check with your vet to see if they are willing to prescribe this medication. I an assuming that the vet is doing fecal floatation's to check for this intestinal parasite. there is always a second opinion form another vet to make sure that your dog is suffering from giardia. hope this helps

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