Parasitic infections in Animals: treatment with ivermectin & fenbendazole
March 20, 2025

Despite of all the significant advancements from the past five decades for the prevention and treatment of infections in animals, parasites undeniably can be cited as a significant of the threat to the health of animals and even human beings. Anyone from the owner of the cat, dog, or horse, to farmers keeping livestock & even veterinary doctors everyone knows that these ticks, and worms are not only causing discomfort to the animals but source of extremely fatal diseases.
The parasites are invading the bodies of animals, absorbing the food & other resources. & everything is actually done at the expense of the host’s body. The parasites for example the ticks, fleas, and worms, all the organisms pose long-lasting risks for the pets. As it is leading to discomfort, pain, and life-threatening diseases, under the condition of being left untreated. This is the reason why treatment of the animal infections caused due to parasites & worms, serves as a major concern for veterinary doctors globally and a crucial consideration for the pet owners.
This blog post outlines the Global landscape for parasitic infections in animals, their causes, and what treatment options are available for preventing such creatures for harming pets and other animals in the future!
Parasitic infections in Animals: Causes, symptoms & treatment
Common animal parasites
Some of the most common parasites in cats, dogs, Horses, and other cattle and livestock include:
- Heartworms
- Toxoplasma
Gastrointestinalparasites (endoparasites) including:
- Roundworms
- Hookworms
- Whipworms
- Giardia
- Tapeworms
- Ectoparasites
Here is an example of the external animal parasites:
- Ticks
- Fleas
Symptoms of animal parasitic infections
Some of the common symptoms that the body of your pets like dogs, cats, or livestock has been infected by parasites include:
- Fever
- Muscular pain
- Fatigue
- Nauseating feeling
- Vomiting
- diarrhea
There can also be neurological signs for example seizures, disorientation as well as headache Symptoms of redness, rashes, itching, or soaring skin
Parasitic infections treatment in animals
Most commonly utilized anti-parasites against worm infections in animals are globally recognized Ivermectin & Fenbendazole.
What is dewormer – Ivermectin?
- The Ivermectin falling to the class of the compound avermectin that was developed by the Japanese researcher in 1970s determined that it is effective for clearing the roundworm infection taking place in mice.
- And this, anti helminthic drug since then is utilised for curing the gastrointestinal and worm infections in animals for example pets, cattle like Sheep, goat as well as pigs.
What is Fenbendazole?
This is another de-wormer, already got approval from the Food and Drug Administration, USA. And can be effectively utilized as a de-wormer for pets, cattle, and livestock, in treating many different array of infections caused due to internal parasites in animals like hookworms, roundworms, infection due to giardia, and few of the tapeworms.
How Ivermectin & Fenbendazole work?
Both these antiparasitic medications are arresting the growth of the worms in animals. It is working by arresting the functioning of the cells in the worm’s body, blocking the production of energy. And due to the inability of the produce of energy, the parasites eventually die.
Ivermectin protocol for parasitic infections in animals
- Ivermectin dosage protocol for Onchocerciasis
There should be administration of 0.15 mg/ Kg of the medicine once in a year through the oral route.
- Dosage and ivermectin protocol guidelines Strongyloidiasis
There should be administration of 0.2 mg/ Kg of the drug through the oral route once
- Ivermectin dosage and protocol for ascariasis
There is administration of 0.2 mg per kg of the medicine through the oral route
- Dosage administration for Bancroftian filariasis
There needs to be the administration of 0.4 mg per kg of the medicine once in a year for 4-6 years
- Ivermectin protocol and dosage for scabies
Administration of 0.2 mg/ Kg of the medicine orally a single time with the reputation within two weeks. There should be a combination of the ivermectin therapeutic procedure with the scabicide as per the doctor’s recommendations.
Ivermectin paste protocol & dosages for parasitic infection in animals
The recommended dosage of the ivermectin paste for treating different parasitic infections in animal include 200 mcg per kilogram of the body weight.
Dosage & Fenbendazole protocol as animal cure product against parasitic infection
- For large, small strongyles & pinworm infections– recommended dosage is 5 milligram per kg of the body weight
- For treating ascarids, the recommended dosage is 10 mg per kg of body weight
- For the control of the Strongylus vulgaris larvae in the body of animals, the dosage that needs to be administered is 10 mg of body weight for five consecutive days
Fenbendazole paste protocol for parasitic infections
There has to be the administration of 10% of the Fenbendazole paste in the quantity of 2.3 mg/ lb or 5 mg/ Kg. And this Fenbendazole dosage is required to be administered for general parasitic infections like pinworms, small/ large strongyles and others.
From where to buy Ivermectin & Fenbendazole?
The ultimate goal of the best online pharmacy, Drmeditechpills is to provide premium value on all antiparasitic & other animal care products. Our cheap medicine store stands by the quality of the animal cure products sold and customers can buy Ivermectin & Fenbendazole online, with 100% assurance & complete satisfaction guarantee.
So, now pet owners and cattle rearers in the USA, UK, Australia, and other parts of the world can have complete reliability & 100% trust in our e-pharmacy with personalized consultation from our qualified veterinary professionals. If you are looking for a consultation from a veterinary expert online or want to buy dewormer, get in touch with our customer support team today!
Frequently Asked Questions (FAQs)
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How to find if my pet is infected with worms?
There are some of the symptoms indicating that your pet whether dog or cat, has a warm infection include abdominal swelling, alteration in the appetite, sudden loss in weight, weakness, discharge of parasites in the feces, and others.
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Can I administer Ivermectin or Fenbendazole dosage to my 4 week aged puppy?
No, you are required to treat your dogs with this medication, only if they are of 6 weeks or older under the guidance and supervision of a trained veterinary doctor.
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How often there is a possibility of repeating the therapeutic procedure with Fenbendazole?
There can be repetition of the antiparasitic treatment using this de-wormer after every three/ four weeks in case it is essential on the basis of the load of the worms and recommendation of the veterinary doctor.
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My cat got diarrhoea after the administration of the Fenbendazole animal cure product. Is it due to the side effect of this medicine?
Unfortunately, the diarrhea can undeniably be the Fenbendazole side effects, as a means to expel out the worms that have been killed by this medication. And the Fenbendazole dosage can be typically subsiding for around 2 days, after the administration of the last one. However if the diarrhoea in your pet is lasting for more than 2 days, seek veterinary attention immediately!
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