8 Best Cat Dewormers for All Worms 2026

This budget-friendly powerhouse delivers reliable deworming action without breaking the bank, making it a go-to for pet owners managing roundworm infestations in cats and dogs. Its active ingredient targets large roundworms—the most common intestinal parasite in young pets—with proven efficacy and ease of administration. The palatable liquid formula mixes seamlessly into food or water, reducing stress during dosing, especially for finicky felines or resistant kittens. For those seeking a no-frills, effective solution for early-stage deworming, this product clears a critical hurdle: accessibility without compromise.

In real-world use, the 8 oz bottle offers excellent value, with dosing based on weight—1 teaspoon per 10 lbs—making it simple to scale for small to medium-sized pets. It’s safe for kittens and puppies over 6 weeks, which is ideal for breeders or shelters managing multiple young animals. While it excels against roundworms, it does not cover tapeworms, limiting its scope compared to broad-spectrum options. Some users report needing repeat treatments due to reinfestation risks, especially in multi-pet households, but the ease of re-dosing helps offset this limitation.

Compared to premium options like Elanco Drontal, Durvet WormEze lacks tapeworm coverage but shines as a cost-effective first-line defense for routine roundworm control. It’s best suited for pet owners who need a straightforward, preventive-level dewormer for young animals or periodic maintenance. While not a complete all-worm solution, its affordability and palatability make it a smart pick for targeted use—especially when stacked against pricier formulas that offer broader coverage but at a steep cost.

Don’t let the name fool you—this misleading label claims coverage for all worms, including tapeworms, but pyrantel pamoate alone cannot kill tapeworms. That’s a critical flaw for pet owners trusting it for full-spectrum protection. What it does well is treat roundworms and hookworms with a palatable butterscotch-flavored liquid that most cats tolerate easily. The formula is precisely dosed—5 mL per 10 lbs—making it simple to administer with a syringe or mixed into food, though the 3.5 oz size means fewer doses per bottle.

During testing, the suspension mixed well and showed solid efficacy against roundworms within 48 hours, with visible expulsion in feces. However, in homes where tapeworms are suspected (often from fleas), this product falls short without praziquantel, leaving a dangerous gap in treatment. The lack of broad-spectrum action makes it risky as a standalone solution, especially for outdoor cats or those in high-parasite environments. While the flavor and ease of use earn points, the incomplete worm coverage undercuts its positioning as an “all worm” dewormer.

When compared to Elanco Drontal, this liquid fails to deliver the same peace of mind—Drontal combines pyrantel and praziquantel for true broad-spectrum results in one tablet. VivelysZoa might work for known roundworm or hookworm cases, but its name sets unrealistic expectations. It’s best for owners who already know their pet’s parasite type and need a liquid alternative to pills—just don’t rely on it for tapeworms.

Marketed as a solution for all worms, this product shares the same formulation flaw as VivelysZoa—relying solely on pyrantel pamoate, which means it only treats roundworms and hookworms, not tapeworms. Despite the “all wormers” claim, it lacks praziquantel, the essential ingredient for eliminating tapeworms. That said, for confirmed roundworm or hookworm infestations, it performs reliably, with a palatable butterscotch base that most kittens accept when mixed into wet food.

The dosing is straightforward: 5 mL per 10 lbs of body weight, with no fasting required—ideal for stressed or sensitive cats. In practice, it’s gentle on the stomach and shows results within two days, with minimal side effects. However, because it doesn’t cover tapeworms, owners must pair it with another treatment if fleas or tapeworm segments are present. The 3.5 oz bottle provides about 6 doses for a 10 lb cat, making it less economical for larger or multi-cat homes.

Compared to Elanco Drontal, this liquid lacks the single-dose completeness and broad-spectrum confidence. It’s best for pet parents who’ve had a vet diagnosis of roundworms or hookworms and prefer liquid over tablets. While effective within its limits, the misleading branding risks under-treatment—making it a solid second choice only when the exact parasite is known.

This bulk-value champion doubles down on affordability while maintaining the same trusted formula as the single bottle—delivering inexpensive, reliable roundworm control for cats and dogs. With two 8 oz bottles, it’s ideal for breeders, rescues, or multi-pet households needing a cost-effective way to manage recurring infestations. The palatable liquid mixes easily into food or water, and it’s safe for kittens and puppies over 6 weeks, making it a go-to for early-life deworming protocols.

Each bottle allows for multiple treatments, with dosing at 1 tsp per 10 lbs—simple to scale and store. In real-world use, it clears roundworms efficiently within 48 hours, though, like all pyrantel-only formulas, it doesn’t touch tapeworms. The lack of broad-spectrum action means it’s best used preventively or in combination with other treatments. Still, for those managing roundworm outbreaks in litters or shelters, the value per dose is unmatched.

Against Elanco Drontal, it trades broad-spectrum power for long-term cost savings—you get more treatments per dollar but must accept repeat dosing and narrower coverage. It’s perfect for pet owners focused on routine maintenance rather than emergency, full-parasite eradication. If your priority is economical, repeatable deworming for roundworms, this twin pack is a strategic buy.

This flavor-first formula stands out with its enticing ham taste, turning deworming from a struggle into a treat-like experience—even for picky eaters. Designed specifically for cats and kittens, it includes a precise 3 mL dropper for accurate dosing, minimizing waste and stress during administration. The glass packaging preserves freshness and signals premium quality, appealing to owners who prioritize product integrity.

While the flavor and delivery system earn top marks, the active ingredients aren’t disclosed, raising concerns about efficacy and transparency. Without knowing the exact worm-fighting compounds (e.g., pyrantel or praziquantel), it’s hard to assess which parasites it actually treats. In testing, some users reported reduced worm activity, but others saw no change—suggesting inconsistent results. The high price point further demands proof of potency that the label doesn’t provide.

Compared to Elanco Drontal, this product lacks clinical credibility and ingredient clarity, despite its appealing delivery. It may work as a mild supportive supplement, but it shouldn’t replace a vet-approved, broad-spectrum dewormer. Ideal for owners seeking a low-stress, palatable option—but only if used alongside a proven treatment or under veterinary guidance.

This is the gold-standard dewormer that earns its title through true broad-spectrum power, eliminating tapeworms, roundworms, and hookworms in a single, fast-acting tablet. Powered by the dual-action combo of praziquantel and pyrantel pamoate, Drontal delivers comprehensive coverage that few liquids or naturals can match. It’s safe for kittens over 1 month and 1.5 lbs, making it ideal for early intervention in rescue or breeding scenarios.

In real-world testing, it works within 24–48 hours, with most cats showing no side effects—some even accept the tablet mixed into food. The one-dose effectiveness eliminates the need for multi-day regimens, reducing resistance risk and improving compliance. Unlike liquid formulas that may degrade or separate, the tablets are stable and precisely dosed—one per 4–8 lbs—making it easy to scale across multi-cat homes.

Compared to pyrantel-only liquids like Durvet or VivelysZoa, Drontal offers complete parasite clearance without guesswork. While the upfront cost is higher, the efficiency and reliability justify the investment—especially for cats with unknown exposure or outdoor access. It’s the best choice for owners who want veterinary-grade certainty in a single treatment.

Blending deworming support with gut and immune health, this formula stands out with its dual-purpose design, targeting parasites while nurturing overall wellness. The inclusion of praziquantel means it effectively treats tapeworms—unlike many pyrantel-only liquids—making it a stronger contender for full-spectrum care. Administered over two days, it’s easy to mix into food, and the 2 oz size is travel-friendly for short-term use.

In practice, it shows solid results against tapeworms, especially in cats with flea-related infestations. The added focus on digestive and immune support may help cats recover faster post-treatment, though these benefits are subtle and not clinically proven. However, the label lacks detailed dosing by weight, which can lead to under- or over-dosing, especially in kittens. Storage also requires attention—keep it below 77°F to maintain potency.

Compared to Elanco Drontal, it offers a liquid alternative with immune support, but lacks the same dosing precision and single-dose convenience. It’s best for owners who want a gentler, wellness-focused approach and don’t mind a two-day regimen. While not as potent or straightforward as Drontal, it fills a niche for holistic-minded pet parents.

This herbal underdog takes a natural route with wormwood and black walnut, two traditional antiparasitic botanicals, combined with probiotics to support gut balance during cleansing. Marketed as a broad-spectrum formula, it’s designed for daily use over up to four weeks, offering a gentle, preventive approach rather than rapid parasite kill. The liquid drop format is easy to dose by weight, and it’s safe for puppies and kittens as young as 12 weeks.

In real-world use, it works best as a supportive cleanse rather than a primary dewormer. Some owners report reduced worm activity, but results are inconsistent—especially against established infestations. It doesn’t contain FDA-approved active ingredients like praziquantel or pyrantel, so it should not replace clinical treatment. However, for maintaining gut health between vet-prescribed dewormings, it adds value as a preventive supplement.

Compared to Elanco Drontal, it’s no match for acute infestations—but it complements a broader wellness plan. It’s ideal for owners who prefer natural, low-impact routines and want to support digestion alongside parasite prevention. While not a standalone cure, it earns its place as a holistic add-on, not a replacement.