Top Dewormer Brands for Your Pet's Health

When it comes to ensuring the health and wellbeing of your pets, choosing the right dewormer is essential. With a plethora of brands available in the market, finding the most effective and safest option can be daunting. Trusted names in pet care have developed formulas that target a wide range of parasites, ensuring your furry friends remain parasite-free. Below, we explore some of the best brands currently available to aid you in making an informed decision.

Illustration of dewormer

Best brands of dewormer in 2025

Bayer

Bayer is a leading producer of dewormers, known for its effective and safe products. The company's tapeworm dewormer tablets, containing praziquantel, are highly regarded for their efficacy in removing common tapeworms in dogs and cats. Bayer's presence in the livestock dewormers market is significant, with the market expected to reach USD 7.80 billion by 2024 and grow at a CAGR of 4.93% until 2029. The company's products are widely used, reflecting the growing demand for animal-based food products and the rise in parasitic diseases in livestock. Bayer's commitment to innovation and quality has made it a trusted name in the animal health industry.

Merck Animal Health

Merck Animal Health is a leading producer of dewormers, particularly with its SAFE-GUARD(r) product, which has demonstrated over 91% efficacy in eliminating internal parasites, a threshold exceeding the recommended 90% for successful deworming. With 40 years of reliability, SAFE-GUARD(r) continues to be effective against resistant parasites, reducing egg shedding and pasture contamination significantly. It has been used by Dr. Ted Dahlstrom for over 30 years, highlighting its long-standing effectiveness. The product is available in various formulations, including suspension, paste, and feed formulations, ensuring broad-spectrum activity against internal parasites. Merck Animal Health guarantees the efficacy of SAFE-GUARD(r), offering an additional treatment for free if the fecal test result does not meet the 90% threshold.

Zoetis

Zoetis is a leading global brand in the production of dewormers, particularly renowned for its comprehensive portfolio of equine deworming solutions. Their products, such as Quest(r) Plus Gel, are highly effective against a broad spectrum of parasites, including small strongyles, encysted forms, and tapeworms, making them a preferred choice among veterinarians and horse owners. This gel is the only dewormer that treats small strongyles, including encysted forms, in a single dose, and it also includes praziquantel for tapeworm treatment, especially recommended for late grazing seasons. Zoetis's strategic deworming approach helps in controlling parasites while minimizing the risk of parasitic resistance, a critical issue in equine health. Their products are safe for use in breeding and pregnant mares, further enhancing their utility.

Boehringer Ingelheim

Boehringer Ingelheim is a leading producer of dewormers, renowned for its innovative products such as LongRange(r), the first injectable dewormer offering up to 150 days of extended-release parasite control. This product has been shown to increase average daily gains in cattle by 11% compared to topical ivermectin treatments. Boehringer Ingelheim's offerings are part of a competitive market, with the company being one of the key players alongside other major brands like Merck & Co Inc., Virbac, and Zoetis. The company's products have a significant impact on the global livestock dewormers market, which is expected to grow at a CAGR of 4.93% from 2024 to 2029. Boehringer Ingelheim's commitment to animal health is evident through its continuous innovation and strategic market presence.

Elanco

Elanco is a leading producer of dewormers, renowned for its innovative and effective parasite control solutions in the livestock and animal health industry. The company offers a wide range of products, including those for cattle, sheep, and other animals, such as Combinex™, Dectomax™, and Fasinex™, which are trusted for their quality and efficacy. Elanco's products are part of a broader market that is expected to grow, with the global livestock dewormers market projected to reach USD 12.4 billion by 2034, growing at a CAGR of 4.8% from 2025 to 2034. The company's commitment to product innovation and strong distribution networks has solidified its position among key players like Zoetis, Merck Animal Health, and Bayer. Elanco's solutions are crucial in maintaining herd health and optimizing animal productivity. For more information, visit their cattle health solutions page.

Virbac

Virbac, a prominent player in the animal health industry, is recognized for its high-quality dewormers, such as VIRBANTEL, which effectively treat and control roundworms, hookworms, and tapeworms in dogs. The global dog dewormers market, in which Virbac is a key participant, is expected to grow from $400 million in 2024 to $700 million by 2032, with a CAGR of 7%. Virbac's products are widely used by veterinarians and pet owners, contributing to the overall growth of the livestock dewormers market, which was valued at $7.9 billion in 2024 and is projected to reach $12.4 billion by 2034 with a CAGR of 4.8%. The company's commitment to animal health is evident in its comprehensive product range and strong market presence. Virbac's dewormers are available through veterinary clinics and other distribution channels, ensuring widespread accessibility.

Novartis Animal Health

Novartis, although primarily known for its human health products, has historically been involved in animal health through its various subsidiaries and acquisitions. However, it is important to note that Novartis divested its animal health business in 2015, merging it with Eli Lilly's animal health division to form Elanco Animal Health. Prior to this, Novartis was a significant player in the animal health sector, but it no longer operates in this market. The company's focus has shifted entirely to human health, with notable achievements in pharmaceuticals and biotechnology. For instance, Novartis was the fourth largest pharmaceutical company by revenue in 2022. You can learn more about their groundbreaking innovations and products on the Novartis official website.

Merial

Merial, now a part of Boehringer Ingelheim, is a leading producer of dewormers, known for its innovative and effective products in the animal health sector. The company's merger with Boehringer Ingelheim in 2016 enhanced its position, making it one of the largest global players in animal health, with annual sales of approximately $4.2 billion post-merger. Merial's products, such as the RECOMBITEK Oral Bordetella vaccine, offer robust immune responses and convenient administration methods, reducing stress and risk for animals. Boehringer Ingelheim Animal Health operates in over 150 markets and employs more than 10,000 employees worldwide. This integration has strengthened their portfolio in antiparasitics, vaccines, and pharmaceutical specialties. For more details about their animal health solutions, visit their website.

Ceva Santé Animale

Ceva Sante Animale is a leading global animal health company, recognized for its innovative health solutions, including high-quality dewormers. As the 5th global animal health company, Ceva is driven by experienced veterinarians and a commitment to preserving the health of animals, humans, and the planet. The company is part of a broader market that is expected to grow, with the global animal internal dewormer market projected to reach US$ 8449.3 million by 2030, growing at a CAGR of 5.0% from 2024 to 2030. Ceva's dedication to animal health is reflected in its initiatives, such as investing in new vaccine manufacturing plants and innovative programs like Ehpanimal for retirement home residents' pets. The company's strong presence in the market is further highlighted by its inclusion among key players in the animal dewormer industry.

Vetoquinol

Vetoquinol is a renowned brand in the animal health industry, particularly noted for its comprehensive range of deworming products. Their portfolio includes popular treatments such as Profender(r) and Drontal(r), which are widely used for dogs and cats in various regions, including Canada, the United Kingdom, Europe, and Australia. These products are designed to be user-friendly and effective, covering a broad spectrum of internal and external parasites. For instance, Drontal Cat is a broad-spectrum dewormer specifically formulated for felines, recommended for administration every 3 to 6 months to ensure optimal health. Vetoquinol's commitment to quality and efficacy has made it a trusted name among veterinarians and pet owners.