Hi there,
My dog Harry has thrown up every time I've tried Drontal or Milbemax (he's thrown up within hours of taking it). I've now tried Panacur which he held down overnight but he's thrown up a few times today... He seems healthy and I am not worried that he has worms at present but of course I want to properly protect him. The vet (whom I mentioned in another post is a bit disinterested, maybe overworked) doesn't seem to have any further advice. Does anyone here know what alternatives there might be?
Thanks in advance!

Why not use a spot on?
Which Panacur did you use, granules or paste?

Granules... I thought Spot On was for fleas only, do they have a worming one too?

I use diatomaceous earth.

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"Life is mostly froth and bubble, Two things stand like stone,
Kindness in another’s trouble, Courage in your own”

Sorry, just realised that you have a Border Collie, I think you have to be careful with Collies with spot ons

Have you tried Advocate? A girl on another forum says Drontal makes her dog chuck but not this one. Not sure if you need a prescription, though? Oh, and change vets! I love mine, he never rushes, always kisses the dogs (!!). Yes, he goes crazy re treatments cos he is the owner of the practice, but I thoroughly appreciate that he appears to give a damn!

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Transplanted Geordie
RIP Jake, my best dog. 10.8.10
RIP Boomerang, beautiful horse. 27.5.08

i think in a lot of cases its trial and error..i posted a good while back about this as Mavis was often sick after worming, so i was unsure as to worm her right away again , but with her , drontal seems good, no sickness

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Course, now I'm going to have to google this I feel the least you can do when you post interesting stuff is explain it!

Stabilizing element of dynamite?! Very porous (used in cat litter), made from fossils of hard shelled algae-tasty!
Diatomaceous earth - Wikipedia, the free encyclopedia

I know wikipedia is not 100% reliable (one of my Year 11s changed the description of a daffodil to his classmate's name!!)

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Transplanted Geordie
RIP Jake, my best dog. 10.8.10
RIP Boomerang, beautiful horse. 27.5.08

Advocate is one of the ones that Collies can sometimes react badly to.
This link gives loads of info about collies and which wormers they react to - The UK Bearded Collie Website :: View topic - URGENT MILBEMAX, STRONGHOLD AND ADVOCATE

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Ooh, my bad, didn't know this, sorry! I'm sure I remember reading somewhere that bones were helpful in eliminating worms? Think you'd have to use a product, too, though.

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Transplanted Geordie
RIP Jake, my best dog. 10.8.10
RIP Boomerang, beautiful horse. 27.5.08