Reg: 10-09-2008
Posts: 1917
Loc: St. Louis, Missouri
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I knew it was possible (if one understood what they were doing.) I was just curious if anyone here actually did it--used a liquid ivermectin "off label" for HW prevention.
I'm curious if any of you use any form of ivermectin for HW preventative--other than the monthly chewables? (i.e. Heartgard)
Even though I buy them, I bristle at the amount of markup in the monthly chewables. With a houseful of dogs, I'm paying hundreds of dollars for what must be pennies worth of the actual drug. There must be a less expensive and still safe and effective way to deliver a monthly dose of heartworm preventative.
I know of many, many Border Collie people that use liquid ivermectin for HW preventative. I've been contemplating using it for my dogs, but we had some Heartgard donated to our SAR team this year. If it wasn't donated, I'd have probably switched to liquid. I could feed my dogs for 2 months with the cost savings.
The markup on ivermectin in HW preventative is incredible. In a chewable for dogs it's $3-$8/dose depending on if you get generic or not. The same amount of liquid ivermectin only sold as cattle/sheep drench? about 20 cents a dose...
I knew it was possible (if one understood what they were doing.) I was just curious if anyone here actually did it--used a liquid ivermectin "off label" for HW prevention.
1 cc of Ivomec is 10,000 mcg. The heartworm preventative dose is 272 mcg. So you only need to give 0.03 cc. Difficult to measure such a small amount which is why the article talks about diluting it in orange juice. Easy to make a mistake and overdose.
Using an insulin syringe will help measure smaller amounts accurately.
FWIW, ivermectin drench for sheep is not nearly as concentrated as that for cattle - I'm pretty sure that it's 800 mcg per ml as opposed to 10,000 mcg per ml. here is a link to the labelsheep drench
Thanks for the responses. I have many in my club who use Cattle Ivermectin but I am constantly hearing different doses and these are big dogs. Just curious to see if anyone had used or heard it used with small dogs. I will get with my vet and see if he can help with dosing recomendations.
I use 1% Ivermectin liquid for Cattle and Swine and dose it 1/10 cc per 10lbs. So my 80lb dog gets .8cc, my 35lb dog gets .35cc. I didn't realize it, but according to WSU Vet School, 10% of shepherds are ivermectin sensitive! WSU
I use liquid ivermectin I bought in Mexico. I also used it on a collie mix I was housing for a while , that was before I read that it could be bad.
I am in MI right now and the bugs are bad, Keiko is four months old I kinda thought that you had to wait till they were 6 months or so. I have already been giving it to Zuki.
I don't use the chewables, they cost way to much.
Reg: 07-13-2005
Posts: 31571
Loc: North-Central coast of California
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Quote: Elizabeth Anderson
I use liquid ivermectin I bought in Mexico. I also used it on a collie mix I was housing for a while , that was before I read that it could be bad.
I am in MI right now and the bugs are bad, Keiko is four months old I kinda thought that you had to wait till they were 6 months or so. I have already been giving it to Zuki.
I don't use the chewables, they cost way to much.
Yes, this is the main problem with off-label use.
I'm glad you posted such a good example of why we have to find authoritative dosage info for off-label use.
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