Pour-On Dewormer

[PaFFA Proud]

A few days ago I putpour-on dewormer on my steer for lice. Well since then I noticed he sunk in his back like it hurt to touch. Today I was able to get a close look without him running me over, his back where the dewormer was pourd on is red, bumpy, and oozing. It kinda reminds me the time my brother got a chemical burn. Is it possible that the pour on coulda have burnt him. I flushed it with water. What else could it be and what can I do for it?

 

[cornershack]

yes have heard it can burn them.

 

[GoWyo]

The pour on products do seem to make their hide sensitive for a time.  Some cattle more than others.  It has to soak into the bloodstream, so maybe the veterinarian types on here can give us a hint on how these products work and expected length of time of side effects.

 

[gates98]

The first time I slicked off my cows 2 years ago I found that the pour on that I had give 3 weeks earlier had done the same thing to most of my cows and about all of the calves. And it was very evident that it did hurt to touch the burnt areas.  I would have never noticed it under the hair but it looked very bad after slicked.  I had used  generic that time and switched the next year to cydection and it didn't happen.  Don't know if it was just a fluke but after seeing it I won't use that stuff again.

 

[PaFFA Proud]

I used a generic too...i called the vet and he said its rare for this to happen but some cows do and it happens more with generic forms of it...so I am going to buy some injectable stuff tomarrow. I had to wash him with warm water and iodine shampoo.

 

[DLD]

Yes, pour on ivermectrin products can and often do burn the hide, causing it to blister and peel - not good for show cattle.  Just IMO, but we use oral (paste) type dewormers on our show cattle. If you're using the pour on ivermectrins to try to control lice, there are lice specific products that work better.  Rinsing with Tactic weekly usually works, if you prefer a pour on Ultra Sabre is the only thing we've used lately that seems to effectively kill both lice and their eggs well enough that you can get by using it just every 30 days or so, but any product will lose it's effectiveness after awhile as the parasites build up their resistance to it - ideally you need to use something based on a different active ingredient every other season.

 

[MYT Farms]

Well, as for us, when we pour in cold weather, it sure makes them touchy for a week or two. But they get over it and a good wash and sheen gets them back to normal in most cases.

 

[kattleluver]

I use Cydectin, no problems, no tenderness, no issues before!! It works very well too & no one ever seems to mind ;D

 

[mlazyj]

The only reaction I've ever seen wasn't on a cow it was on a couple of horses . My old boss got the idea that dusting wasn't a fast enough way to get rid of some ticks and lice on a couple saddle horses . So he poured them with Ivermec . We didn't see anything right away and it was winter and we weren't riding much .Well it rained and the hair came off exactly were the pour had ran . We checked with the vet , he said that horses have a different type of hair and hide  and that probably wasn't the best idea .

 

[drl]

We are big Cydectin fans for a pour on dewormer with external parasites control. Otherwise using tactic for externals and Safeguard for worms would be a good idea as well.