Best Wormer for Pinworms in Horses

It could happen to anyone – one day your horse has a beautiful, luscious tail and then BAM! He’s started rubbing the hair out on trees, fences, gates, stall doors – everything he can get his button. This particular type of itching is most likely caused by pinworms.


What Are Pinworms in Horses?

The horse pinworm (Oxyuris equi) is an internal parasite that infects horses and is one of the most common causes of tail rubbing.

What Else Can Cause Tail Rubbing?

It is important to rule out other causes of tail rubbing before stocking up on a bunch of dewormers. Using anthelmintics when they are not needed is linked to...

How Do You Treat Pinworms in A Horse?

There has been concern over drug resistance recently, but a study with ivermectin and pyrantel pamoate shows that both are over 90% effective. 

Can Pinworms Be Prevented?

Depending on the number of eggs found the horse will be classified as a low, medium, or high shedder.

Choosing the Best Wormer for Pinworms

1. Durvet 1.87% Ivermectin Paste

It has a decently high percentage of ivermectin so it can blast through those pesky worms.

2. Schering/Intervet Panacur Paste

Panacur Paste uses 10% Fenbendazole and is effective at controlling large and small strongyles, ascarids, and pinworms.

3. Merial Zimecterin Gold

Zimecterin Gold is a great general dewormer for horses.

4. Safeguard Horse Dewormer

Is another fenbendazole dewormer that is effective to use on pinworms...

5. Durvet Pyrantel    Paste

Pyrantel Paste is another good choice, however, you likely will need to double the dose for effective pinworm control which can make it more expensive.

As you can see, there are many excellent options out there for pinworm control! Ultimately, you need to make the decision if you need to treat only the pinworms, which drug you want to use, and how much you want to spend.


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