Dewormer...
 

One of my geldings is rubbing the top of his tail. He's missing quite a bit of hair now. His sheeth is clean. He was dewormed with Ivermectin 2 months ago and my horses are all due for deworming again. I typically go back and forth between Ivermectin and Pyrantal every 8 weeks.

What types of worms *could* cause the tail rubbing? (So I know what to pick up tomorrow for deworming)

I've never had to deal with tail rubbing before and since his sheeth is recently cleaned and I don't see any fungus growth, I'm thinking it could be related to his deworming procedure.

Get a fecal done... that'l tell you exactly what worms he has. They aren't expensive and most Vets are fine with you dropping off a sample in a baggie instead of paying a farm call for them to come get one.

pinworms can cause tail rubbing. One of my boys rubbed his tail really bad when he was stalled but after i wormed him he was fine.

Just a side note, spraying listerine on the top of the tail (where the rubbing is) will soothe it for your horse.

Pinworms would be the most likely culprit.

Curly got them from our neighbours horse when he was in their paddock and mutilated her tail, after worming her and putting quit-itch lotion on her tail daily she was fine.

Just had this problem w/my POA cross. We used Equibits from Safeguard because he's a nightmare to paste and he's better now. We just got him so the vet had us do a 5 day purge, but he had bad worm belly, too. We used Chlorahexidrine on his itchy butt and it worked well. So I know Safeguard works. Think the ingredient is called ... Fenbendazole or something like that.
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