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Cattle Wormers (Cattle Dewormers)

Ensure your cattle's health with our selection of quality dewormers.

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Injectable 1% Ivermectin Cattle & Swine Dewormer

Huvepharma
$39.99 USD - $87.79 USD $39.99 USD - $79.99 USD
$0.16$0.80 / mL

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1% Ivermectin Injectable Cattle & Swine Wormer This product is intended for animals only. Generic Ivermectin Dewormer (1% Ivermectin Inje...

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Cydectin Pour-On Cattle Wormer & Applicator Gun, Moxidectin Dewormer for Beef & Dairy, Long-Lasting Parasite Control

Elanco
$22.99 USD - $749.99 USD $19.99 USD - $729.99 USD
$0.00$0.20 / mL

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Cydectin® (Moxidectin) Pour-On Cattle Wormer Cydectin® Pour-On is a ready-to-use, weather-resistant pour-on formulation for the treatment and contr...

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Valbazen Broad Spectrum Oral Dewormer 11.36% Albendazole for Cattle, Sheep & Goats

Zoetis
$29.99 USD - $380.99 USD $29.99 USD - $379.99 USD
$0.06$0.11 / mL

Valbazen Broad Spectrum Dewormer for Livestock 11.36% Albendazole Valbazen® Broad Spectrum Dewormer is a powerful oral suspension formulated with 1...

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Noromectin Injectable Cattle & Swine Wormer (1% Ivermectin)

Norbrook Labs
$45.99 USD - $89.99 USD $35.99 USD - $83.95 USD
$0.17$0.72 / mL

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Noromectin Injection Noromectin (ivermectin) Injection is an injectable parasiticide used for the treatment and control of internal and external pa...

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Safe-Guard 10% Suspension Cattle and Goat Dewormer

Merck Animal Health
$175.99 USD - $456.99 USD $175.99 USD - $456.99 USD
$3.57$5.21 / oz

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Safe-Guard 10% Suspension Dewormer for Cattle & Goats Safe-Guard 10% Suspension Dewormer is a broad-spectrum fenbendazole-based dewormer for us...

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Prohibit Soluble Drench Dewormer for Cattle & Sheep

AgriLabs
$29.99 USD - $204.96 USD $24.99 USD - $199.99 USD
$0.33$0.48 / gram

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Prohibit Soluble Drench Powder Cattle and Sheep Dewormer For Oral UseProhibit® Soluble (levamisole hydrochloride) is a broad-spectrum oral dewormer...

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Safe-Guard Multi-Species Medicated Dewormer Pellets

Safe-Guard
$9.99 USD - $129.99 USD $9.99 USD - $109.99 USD
$4.40$9.99 / lb

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Safe-Guard Multi-Species Dewormer Safe-Guard Multi-Species Dewormer is a versatile, broad-spectrum pelleted dewormer formulated with 0.5% fenbendaz...

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Dectomax 1% Injectable Wormer & Injectable Syringe for Cattle and Swine

Zoetis
$19.99 USD - $195.49 USD $19.99 USD - $183.99 USD
$0.04$0.80 / mL

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Dectomax Injectable Wormer Contains 1% injectable solution for cattle and swine. An SQ or IM injectable wormer indicated for the treatment and cont...

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Ivomec Plus Injectable Cattle Wormer

Boehringer Ingelheim
$135.99 USD - $345.99 USD $135.99 USD - $345.99 USD
$0.35$0.68 / mL

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IVOMEC Plus Injectable Cattle Wormer Only Ivomec Plus wormer kills more types of parasites in a single dose, including internal AND external parasi...

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Eprinex (eprinomectin) Pour-On Cattle Wormer

Merial
$52.39 USD - $1,499.99 USD $52.39 USD - $1,499.99 USD
$0.07$0.21 / mL

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Eprinex Pour-On Cattle Wormer Apply along back at 5 mL per 100 lb body weight. Measuring cap makes dosing quick, easy, and accurate. Features &...

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Durvet 1% Ivermectin Injection, Cattle and Swine Dewormer

Durvet Inc
$45.99 USD $45.99 USD
$0.92 / mL

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Durvet 1% Ivermectin Injection, 50 mL A parasiticide for the treatment and control of internal and external parasites in cattle and swine. Indic...

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Bimectin Pour-on Cattle Dewormer

Bimeda
$46.99 USD - $295.99 USD $46.99 USD - $289.99 USD
$0.01$0.05 / mL

Bimectin Pour-on Cattle Dewormer Contains 5 mg Ivermectin per mL. For Cattle (Do not use in female dairy cattle of breeding age). Bimectin Pour...

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Ivomec Pour-On Cattle Wormer

Merial
$58.22 USD - $1,051.86 USD $49.49 USD - $1,051.86 USD
$0.05$0.20 / mL

IVOMEC Pour-On Cattle Wormer This product is intended for animals only. Contains 5 mg Ivermectin per mL. Enters the bloodstream through cattle's sk...

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Cydectin Injectable Cattle Dewormer, 500 mL – Moxidectin Broad Spectrum Parasite Control & Applicator

Elanco
$31.99 USD - $181.41 USD $31.99 USD - $163.50 USD
$0.06$0.33 / item

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Cydectin Injectable Cattle Dewormer Cydectin Injectable is a ready-to-use solution containing moxidectin, formulated for the effective treatment an...

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Synanthic 22.5% Bovine Dewormer Suspension, Oxfendazole Oral Dewormer for Cattle

Boehringer Ingelheim
$36.99 USD - $272.95 USD $29.99 USD - $272.95 USD
$0.06$0.34 / mL

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Synanthic Bovine Dewormer Suspension, 22.5% Synanthic® Bovine Dewormer Suspension is a highly effective oral dewormer formulated for cattle. Contai...

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Noromectin Plus Injection Cattle Dewormer

Norbrook Labs
$38.99 USD - $263.99 USD $38.99 USD - $263.99 USD
$0.26$0.78 / mL

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Noromectin Plus Injection Cattle Wormer Noromectin Plus Injection Cattle Wormer contains 1% Ivermectin and 10% Clorsulon, specifically formulated f...

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Dectomax Doramectin Pour-On Wormer – Beef & Dairy Cattle Parasite Treatment

Zoetis
$29.99 USD - $359.99 USD $29.99 USD - $359.99 USD
$0.03$0.14 / mL

Dectomax® Pour-On Wormer for Cattle Contains Doramectin 0.5%. Dectomax® Pour-On Wormer contains 0.5% doramectin and provides fast, effective contro...

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Bimectin Injection (1%) Cattle & Swine Dewormer

Bimeda
$65.99 USD - $137.99 USD $59.99 USD - $131.99 USD

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Bimectin Injectable 1% Ivermectin. This product is intended for animals only. Bimectin Injectable is used for the control of internal and external ...

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LevaMed Soluble Drench Powder Dewormer, 52 gram

Bimeda
$24.99 USD $24.99 USD
$0.48 / gram

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LevaMed Soluble Dewormer, 52 gram Compare to Prohibit Soluble LevaMed Soluble Dewormer is a broad-spectrum oral drench powder formulated for the co...

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Safe-Guard Medicated Dewormer

Safe-Guard
$9.99 USD - $66.99 USD $9.99 USD - $66.99 USD
$6.70$9.99 / lb

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Safe-Guard Pelleted Dewormer Fenbendazole 5 gm per kg (2.27g per pound) Alfalfa-based pellets. For use in beef and dairy cattle. For use in all hor...

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Eprinex and Ivomec Pour-On Applicator

Merial
$29.99 USD $29.99 USD

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EPRINEX® and IVOMEC® Pour-On Gun The EPRINEX® and IVOMEC® Pour-On Gun offers a faster, easier, and more accurate method for administering pour-on d...

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Safe-Guard Fenbendazole Beef & Dairy Cattle Dewormer Paste 10%, 290g – Broad-Spectrum Wormer

Merck Animal Health
$38.50 USD - $75.99 USD $38.50 USD - $73.98 USD

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Safe-Guard Fenbendazole Beef & Dairy Cattle Dewormer Paste, 290g 10% Fenbendazole The old 4-tab applicator gun will NOT fit the new 3-tab tubes...

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ProMectin B Pour-On Parasiticide, 5 L

Vedco
$89.99 USD $81.79 USD
$0.02 / mL

ProMectin B Pour-On Parasiticide, 5 LProMectin B (ivermectin) Pour-On delivers internal and external parasite control in one convenient low-volume ...

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Safe-Guard 10% Fenbendazole Beef & Dairy Cattle and Horses Dewormer Paste, 92g Tube – Broad-Spectrum Parasite Control

Merck Animal Health
$54.99 USD $37.99 USD

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Safe-Guard Fenbendazole Horse & Cattle Dewormer Paste, 92g 10% Fenbendazole Safe-Guard® Fenbendazole Paste 10% is a broad-spectrum, apple-cinna...

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Drencher Syringe with Nozzle

Neogen
$54.99 USD - $59.99 USD $54.99 USD - $59.99 USD

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Drencher Syringe with Nozzle The Drencher Syringe with Nozzle is a pistol-grip drench gun and nozzle for dosing fluids to livestock including cattl...

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Bimectin Plus Injectable Cattle Wormer

Bimeda
$138.99 USD - $255.99 USD $138.99 USD - $251.99 USD
$0.25$0.28 / mL

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Bimectin Plus Injectable Cattle Wormer Bimectin Plus Injectable Cattle Wormer is used for the control and treatment of external and internal parasi...

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Rx Panacur 10% Suspension Dewormer for Horses & Cattle

Panacur
$0.29 USD - $474.99 USD $0.29 USD - $474.99 USD
$0.13$0.29 / mL

Rx Panacur 10% Suspension Panacur Suspension is used for horses and cattle in treatment of lungworms, stomach worms and intestinal worms. NOTE: Onl...

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Tauramox Injectable Solution, 500 mL (moxidectin)

Tauramox
$149.99 USD $149.99 USD
$0.30 / mL

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Tauramox (Moxidectin) Injectable Solution for Beef & Non-lactating Dairy Cattle, 500 mL Tauramox (Moxidectin) injectable Solution is the fir...

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Durvet Ivermectin Pour-On Wormer

Ivermectin
$29.99 USD - $51.49 USD $29.99 USD - $51.49 USD
$0.05$0.12 / mL

Durvet® Ivermectin Pour-On Dewormer for Cattle DURVET'S Ivermectin Pour-On for cattle is a highly effective treatment for controlling and treating ...

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Safe-Guard Cattle Medicated Dewormer Block, 25 lb

Safe-Guard
$69.99 USD $64.99 USD
$2.60 / lb

Safe-Guard Medicated Dewormer BlockMedicated dewormer containing 750 mg fenbendazole per pound. For cattle (Do not use in dairy cattle of breeding ...

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IVOMEC Injection (1%) Wormer for Cattle & Swine

Merial
$20.00 USD - $241.99 USD $19.99 USD - $241.99 USD
$0.04$0.48 / mL

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IVOMEC Injection (1% Ivermectin) for Cattle & Swine IVOMEC Injection (1% Ivermectin Sterile Solution) is an injectable dewormer for the control...

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Rx LongRange (eprinomectin) ERI Extended-Release Injection for Cattle

LongRange
$399.99 USD - $739.99 USD $399.99 USD - $739.99 USD
$1.48$1.60 / mL

Rx LongRange ERI Injectable Parasiticide/Dewormer 5% Eprinomectin LONGRANGE ® (eprinomectin) is a ready-to-use, sterile injectable preparation cont...

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Deworming Cattle with the best Cattle Wormers

“Strategic deworming” refers to the timing and approach used to deworm your herd of cattle, and it’s based on climate and the type of parasite challenge you have.

It is recommended to deworm cows in the fall after they’re removed from pasture, and then again in the spring about six weeks after turn-out. Calves usually only need it done in the spring or early summer, depending on your climate. While you’re at it, go ahead and take care of other tasks that require handling, such as tagging and vaccinations.

If you are wondering when to deworm in the spring, the perfect time is when the grass starts to turn green in your area. Broad-spectrum products are great for controlling both external and internal parasites. Make sure you follow the directions on the label and ask a vet if you need more information.

Look after your cattle's health and well-being with more collections from our catalog including prescription medicine, cattle vaccines, hoof care supplies, and many more, all at amazing prices.

Can I purchase Cattle Wormers and dewormers online?

Yes, just add it to your cart online. Free shipping may apply. While you're at it, we recommend checking out some of our related offers including our long range cattle wormer, pour-on wormers like Bimectin pour-on dewormer, and our safeguard cattle dewormer.

How long does it take for a cattle dewormer to work?

Cattle dewormers typically begin working within 24 hours of administration, though the full effect generally takes a few days to about two weeks depending on the product used. Macrocyclic lactones (like ivermectin or doramectin) and benzimidazoles (like fenbendazole) work at different speeds and target different parasite life stages, so the timeline can vary.

How often should cattle be dewormed?

Most cattle operations deworm at least once or twice a year, though the ideal schedule depends on climate, stocking density, age of cattle, and parasite pressure in the region. Calves and yearlings typically require more frequent treatment than mature cows, as adult cattle develop some natural immunity over time. Veterinarians also recommend fecal egg counts to guide treatment decisions and help manage anthelmintic resistance.

When do you deworm cattle?

The best times to deworm cattle generally fall around key management events and seasonal transitions. The most effective approach is working with a veterinarian to build a program based on your specific region, parasite pressure, and fecal egg count results rather than treating on a fixed calendar schedule alone.

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