Does Horse Dewormer Cause Sterilization

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Starting in the spring and continuing through the fall, horse owners across the country face the task of deworming their horses. There are many products on the market, and choosing the right one can be confusing. Some horse owners are concerned about rumors that dewormers can cause sterilization in horses.

So, what’s the truth?

There is no scientific evidence to support the claim that horse dewormer causes sterilization. However, there are some anecdotal reports of infertility in mares after being treated with certain dewormers. If you are concerned about this possibility, talk to your veterinarian about using an alternative dewormer.

What are Some Side Effects of Ivermectin?

Ivermectin is a medication that is used to treat parasitic infections. It is effective against a variety of parasites, including those that cause river blindness and strongyloidiasis. Ivermectin is also used to control head lice, scabies, and certain types of worms.

The most common side effect of ivermectin is gastrointestinal upset, which may include nausea, vomiting, diarrhea, or abdominal pain. This medication may also cause dizziness, headache, tiredness, or muscle weakness. In rare cases, ivermectin can lead to serious side effects such as allergic reactions, seizures, or coma.

Can Covid-19 Reduce Male Fertility?

It’s still too early to know for sure if COVID-19 can reduce male fertility. While the virus has been shown to affect reproductive organs in other animals, there’s no evidence yet that it does the same in humans. However, some experts say it’s possible that COVID-19 could have an impact on sperm quality and quantity.

There are a few reasons why this might be the case. First, the virus can cause inflammation throughout the body, including in the testicles. This inflammation can damage sperm cells and make them less viable.

Additionally, COVID-19 may also lead to a decrease in testosterone levels, which is essential for healthy sperm production. It’s important to remember that these are just potential effects of COVID-19 on fertility and more research is needed to confirm any link. If you’re concerned about your fertility, talk to your doctor about ways to protect your reproductive health.


No, horse dewormer does not cause sterilization. In fact, it is an important tool in preventing the spread of disease and parasites among horses.

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