Levamisole HCL Boluses (box of 50 boluses)
Levamisole HCL Boluses (box of 50 boluses)
*Packaging color and/or animals may vary according to distribution region.

Levamisole HCL Boluses

Levamisole HCL Boluses are an antiparasitic and immune stimulant for cows and sheep. AdvaCare Pharma is a trusted manufacturer of veterinary boluses. Our veterinary range comprises more than 400 GMP and ISO-certified products distributed across the globe.



What is Levamisole HCL?

Therapeutic Class:
Target Species:

Active Ingredients: Levamisole HCL

Levamisole HCL Boluses are an antiparasitic and immune stimulant that is used to treat many kinds of nematodes in cows and sheep. This drug is a highly effective flukicide and nematicide. It is important to note that Levamisole Boluses are intended for veterinary purposes only.

Levamisole Hydrochloride is an imidazothiazole that belongs to the class of medicines called anthelmintics. It works as a nicotinic acetylcholine receptor agonist. This action causes the continued stimulation of the parasitic worm muscles, leading to paralysis.

AdvaCare Pharma is a trusted global supplier of this medication. We offer a wide range of high-quality and cost-effective medications that are available for distribution. Our factories are GMP-certified and are regularly inspected to ensure meet the high standards necessary to comply with WHO rules and regulations.

Why are we a top Levamisole manufacturer?

AdvaCare Pharma is an American-owned and operated company specializing in the manufacture of veterinary medicines. As part of our range of 250+ veterinary formulations, we manufacture Levamisole Boluses under strict GMP guidelines, ensuring efficacy. Our veterinary distributors have confidence in the quality of our products, making AdvaCare Pharma a leading supplier in countries where dependable, cost-effective livestock medications are in high demand.


What is Levamisole used for?

It's used to treat parasitic infections caused by gastrointestinal, pulmonary, and other roundworms. It is indicated for the following worms:

  • Haemonchus spp.
  • Trichostrongylus spp.
  • Ostertagia spp.
  • Cooperia spp.
  • Nematodirus spp.
  • Bunostomum spp.
  • Oesophagostomum spp.
  • Chabertia spp.
  • Dictyocaulus viviparus

What animals can be treated with Levamisole Boluses?

It's recommended for livestock animals like cows and sheep. Do not use this drug for horses.

How should Levamisole Boluses be stored?

They should be stored in a dark, dry location below 25°C. Keep the boluses in the blister packs until usage.

Is there a withdrawal period after treatment with Levamisole?

The withdrawal time is 28 days for meat and 10 days for milk.


How much Levamisole HCL should be given to livestock?

The usual dose is 1 bolus per 41-75kg of body weight.

Side Effects

When administered at the recommended dosage guidelines, Levamisole HCL Boluses cause few side effects.

At higher doses, some common side effects include:

  • head shaking
  • excessive salivation or sweating
  • coughing
  • gastrointestinal effects such as vomiting, changes in stool consistency, or loss of appetite
  • minor muscle spasms
  • colic

Serious side effects may include allergy or hypersensitivity reactions.

For a comprehensive list of all possible side effects of this medication, consult a veterinary physician.


Do NOT use Levamisole HCL Boluses in animals that:

  • have a known allergy or hypersensitivity to any of the ingredients.
  • have impaired liver function.
  • are producing milk for human consumption.

There are known interactions between Levamisole and other drugs, including pyrantel, morantel, and organophosphates.

*Regulatory compliance may vary according to production standard, import requirements and/or manufacturing origin.

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