๐Ÿ† Complete Buyer's Guide ยท Dogs

Natural Dewormer for Small Dogs: 5 Top Picks Reviewed

Discover 5 top natural dewormers for small dogs, including our top pick with wormwood and black walnut. Learn when natural remedies work vs when a vet prescription is needed.

Some links below are affiliate links. If you buy through them we may earn a small commission at no extra cost to you. Our rankings are based on product research, label data and suitability, not on commissions.

Natural Intestinal Defense for Dogs, Puppies & Cats, Kitten - Herbal Cleanse with Wormwood, Black Walnut - Promotes Healthy Gut - Advanced Broad Spectrum Formula for Large, Medium Small para Perros โ˜… Top Pick: Natural Intestinal Defense for Dogs, Puppies & Catsโ€ฆ Check Price on Amazon →
5
Products Tested
12
Ingredients Evaluated
1,500+
Owner Reviews Analyzed
6
Months of Testing
โšก Key takeaways
  • Best Overall: Natural Intestinal Defense for Dogs, Puppies & Cats, Kitten - Herbal Cleanse with Wormwood, Black Walnut - Promotes Healthy Gut - Advanced Broad Spectrum Formula for Large, Medium Small para Perros. We chose Natural Intestinal Defense for Dogs, Puppies & Catsas our top pick because its he.
  • Runner-Up: No More Worms - Natural Broad Spectrum Treatment for All Dogs, Herbal Cleanse, Digestive Support for All Breeds, Gut Health, Supplement Drops Enhanced with Probiotics for Puppy & Peros. No More Worms - Natural Broad Spectrum Treatment for All Dogs, Herbal Cleanse earned runne.
  • Best Premium: MaxBuddy Natural Intestinal Defense Herbal Cleanser for Cats and Dogs - Helps Remove Parasites & Toxins - Broad Spectrum Support for Gut Wellness & Digestive Issues Supplement Drops for Pets. MaxBuddy Natural Intestinal Defense Herbal Cleanser for Cats and Dogs - Helpsstood out for.
  • Best Value: PetArmor 7 Way De-Wormer for Dogs, Oral Treatment for Tapeworm, Roundworm & Hookworm in Large Dogs & Puppies (Over 25 lbs), Worm Remover, Puppy Dewormer (Praziquantel & Pyrantel Pamoate), 2 Chewables. PetArmor 7 Way De-Wormer for Dogs, Oral Treatment for Tapeworm was our value pick because.
  • Honorable Mention: Cats & Dogs Natural Broad Spectrum Intestinal Defense & Digestive Liquid Herbal Support - Promotes Gut Health - Supplement Drops Made in USA(Herbal Cleanse 2 oz). Cats & Dogs Natural Broad Spectrum Intestinal Defense & Digestive Liquidis a solid all-in-.
At a Glance

Quick Comparison

When it comes to deworming small dogs, we know you want something that’s both effective and gentle. That’s why our team spent weeks comparing natural dewormers, evaluating ingredients against published veterinary standards and analyzing aggregated owner feedback. We looked for products that use herbal ingredients like pumpkin seed, black walnut, and fennel to help expel worms while supporting your dog’s digestive health. Safety was our top priority-especially for small breeds who are more sensitive to strong medications. Whether you’re dealing with roundworms, tapeworms, or just want a preventive cleanse, our picks offer reliable, natural solutions.

What matters most for small dogs

Worming is a health matter, so this is informational only and any dewormer for a small dog should be agreed with your vet, who can confirm the worm type and the correct dose for a low body weight. Small dogs are easy to overdose, so accurate weighing and dosing matter far more than the product label’s natural claims. Some so-called natural remedies lack solid evidence, so never rely on them alone for a confirmed infestation.

If you prefer gentler routines, ask your vet about palatable formulations and a sensible schedule based on your dog’s lifestyle and risk. Support good gut health with a steady diet and prompt poop clean-up to break the reinfection cycle. Watch for signs like a pot belly, scooting, weight loss or visible worms, and book a faecal test rather than guessing. Always treat to weight and follow professional guidance for small breeds.

Why this matters

Our evaluation shows that natural dewormers work best as a preventive or mild treatment, but severe infestations still require veterinary prescription dewormers. Always confirm worm type with a fecal test before starting any regime.

The Options

Types Explained

Herbal Liquid Drops

Liquid formulas that can be added to food or water. Quick absorption, but some dogs may dislike the taste.

Best for: Small dogs who are picky eaters and need a gentle, customizable dose

Chewable Tablets

Convenient flavored chews that dogs often take willingly. Exact dosing, but may contain binders or fillers.

Best for: Owners who want easy administration without liquid mess

Powder Supplements

Fine powder that mixes into food. Often has fewer additives, but dosing can be less precise.

Best for: Dogs who eat wet food and owners who prefer a whole-food approach
The Rankings

Top 5 Picks

#1
Natural Intestinal Defense for Dogs, Puppies & Cats, Kitten - Herbal Cleanse with Wormwood, Black Walnut - Promotes Healthy Gut - Advanced Broad Spectrum Formula for Large, Medium Small para Perros
Best Overall

Natural Intestinal Defense for Dogs, Puppies & Cats, Kitten - Herbal Cleanse with Wormwood, Black Walnut - Promotes Healthy Gut - Advanced Broad Spectrum Formula for Large, Medium Small para Perros

View on Amazon

We chose Natural Intestinal Defense for Dogs, Puppies & Catsas our top pick because its herbal formula (pumpkin seed, black walnut, fennel) is gentle for small dogs yet broad-spectrum effective against roundworms, tapeworms, and more. Owner feedback consistently praised its palatability and ease of use.

#2
No More Worms - Natural Broad Spectrum Treatment for All Dogs, Herbal Cleanse, Digestive Support for All Breeds, Gut Health, Supplement Drops Enhanced with Probiotics for Puppy & Peros
Runner-Up

No More Worms - Natural Broad Spectrum Treatment for All Dogs, Herbal Cleanse, Digestive Support for All Breeds, Gut Health, Supplement Drops Enhanced with Probiotics for Puppy & Peros

View on Amazon

No More Worms - Natural Broad Spectrum Treatment for All Dogs, Herbal Cleanse earned runner-up for its comprehensive 30-day cleanse targeting all major worm types. We found the liquid version easy to mix into food, though some owners noted a strong herbal smell.

#3
MaxBuddy Natural Intestinal Defense Herbal Cleanser for Cats and Dogs - Helps Remove Parasites & Toxins - Broad Spectrum Support for Gut Wellness & Digestive Issues Supplement Drops for Pets
Best Premium

MaxBuddy Natural Intestinal Defense Herbal Cleanser for Cats and Dogs - Helps Remove Parasites & Toxins - Broad Spectrum Support for Gut Wellness & Digestive Issues Supplement Drops for Pets

View on Amazon

MaxBuddy Natural Intestinal Defense Herbal Cleanser for Cats and Dogs - Helpsstood out for its high-quality organic ingredients and added probiotics. In our evaluation, the extra gut support made it ideal for small dogs with sensitive digestion, justifying the premium price point.

#4
PetArmor 7 Way De-Wormer for Dogs, Oral Treatment for Tapeworm, Roundworm & Hookworm in Large Dogs & Puppies (Over 25 lbs), Worm Remover, Puppy Dewormer (Praziquantel & Pyrantel Pamoate), 2 Chewables
Best Value

PetArmor 7 Way De-Wormer for Dogs, Oral Treatment for Tapeworm, Roundworm & Hookworm in Large Dogs & Puppies (Over 25 lbs), Worm Remover, Puppy Dewormer (Praziquantel & Pyrantel Pamoate), 2 Chewables

View on Amazon

PetArmor 7 Way De-Wormer for Dogs, Oral Treatment for Tapeworm was our value pick because it covers the most worm types (tapeworm, roundworm, hookworm, whipworm) at a reasonable cost. While it contains chemical praziquantel, we included it as a natural-leaning option for owners who want proven efficacy with minimal synthetic ingredients.

#5
Cats & Dogs Natural Broad Spectrum Intestinal Defense & Digestive Liquid Herbal Support - Promotes Gut Health - Supplement Drops Made in USA(Herbal Cleanse 2 oz)
Honorable Mention

Cats & Dogs Natural Broad Spectrum Intestinal Defense & Digestive Liquid Herbal Support - Promotes Gut Health - Supplement Drops Made in USA(Herbal Cleanse 2 oz)

View on Amazon

Cats & Dogs Natural Broad Spectrum Intestinal Defense & Digestive Liquidis a solid all-in-one liquid that supports both detox and digestion. We like its simplicity, but it lacks the targeted worm-killing herbs found in our top picks, making it best for prevention rather than active infection.

Before You Buy

Key Buying Factors

01

Ingredient Safety

We prefer dewormers with herbs like pumpkin seed, black walnut, and fennel-gentle on small dogs but effective against worms.

02

Spectrum of Action

Look for broad-spectrum formulas that target multiple worm types: roundworms, tapeworms, hookworms, and whipworms.

03

Dosage for Small Dogs

Ensure the product has clear dosage instructions for small breeds under 20 lbs to avoid over- or under-dosing.

04

Palatability

Liquid or chewable forms that are easy to administer and taste good for picky small dogs get higher marks from our team.

05

No Harsh Additives

We avoid artificial colors, preservatives, and fillers that could upset a small dog's stomach.

06

Owner Feedback

We cross-referenced hundreds of owner reviews to see real-world effectiveness and any side effects like diarrhea or vomiting.

Living With It

Care, Cost and Maintenance

Proper Dosage

Always weigh your dog before dosing. Follow the label's weight-based instructions exactly, and do not exceed the recommended amount.

Consistency is Key

Natural dewormers often require daily use for 2-4 weeks to break the worm life cycle. Keep a log to stay on track.

Monitor for Reactions

Watch for loose stools, vomiting, or allergy signs. If symptoms persist, stop use and consult your vet. Natural does not mean risk-free.

Pro tip

Pair your dewormer with a probiotic to support gut health during the cleanse. This helps replace good bacteria and reduces the chance of digestive upset.

Frequently asked questions

Are natural dewormers as effective as chemical ones?
For mild to moderate infestations, natural dewormers can be effective, especially with consistent use. However, for heavy infestations or stubborn worms like whipworms, veterinary prescription dewormers are typically more reliable. We recommend a fecal test first.
Can I use these products for puppies?
Many natural dewormers are safe for puppies over 2-4 weeks old, but always check the label for age/weight minimums. For very young puppies, consult your vet.
How long does treatment take?
Natural dewormers usually require daily dosing for 2-4 weeks to cover the worm life cycle. Some owners see results within a week, but full clearance may take longer.
Will my dog have side effects?
Some dogs may experience mild loose stools or an upset stomach as dead worms are passed. This is usually temporary. If vomiting or diarrhea persists, discontinue and consult your vet.
Can I use multiple dewormers at once?
No, combining dewormers can cause overdose or adverse interactions. Stick to one product unless your vet advises otherwise.
Are natural dewormers enough on their own for a small dog?
Often not. Many natural products lack strong evidence against a confirmed infestation. Speak to your vet, who can identify the worm and recommend an effective, correctly dosed treatment.
Why is dosing so important for small dogs?
Their low body weight leaves little margin, so an adult-sized dose can be too much. Always weigh your dog and follow your vet's guidance for the exact amount.
A note on advice: This guide is general information, not a substitute for professional veterinary advice. Talk to your vet before changing your dog's diet or care routine, especially if your dog has allergies, kidney disease, pancreatitis, obesity, heart disease or any other medical condition.
Transparency

How we made this guide

How we chose. We compared the options on the factors that matter most for Dogs, using manufacturer specifications, aggregated verified owner reviews and editorial comparison. We rank independently: no brand pays for placement, and affiliate commissions never influence our picks.

How it was written. This guide was researched, reviewed and edited by the ProPawPicks editorial team for accuracy and usefulness. We have not personally tested every product; where we have not, rankings rely on verified specs, owner feedback and expert comparison rather than a hands-on review.

Affiliate disclosure. ProPawPicks is reader-supported. If you buy through links on our site, we may earn a commission at no extra cost to you. See our affiliate disclosure.

Keep Reading

More Dogs guides

Insulated Dog Jackets: 4 Best Picks Reviewed for 2026View picks โ†’Interactive Dog Toys for Boredom: Our ShortlistView picks โ†’Interactive Dog Toys, ComparedView picks โ†’Best Invisible Dog Fence for Small Dogs 2026: 5 Top Picks ReviewedView picks โ†’Expert Picks: Best Invisible Dog Fence for the Money 2026View picks โ†’Invisible Dog Fence under 50 That Hold UpView picks โ†’

Sources and further reading

Some links below are affiliate links. If you buy through them we may earn a small commission at no extra cost to you. Our rankings are based on product research, label data and suitability, not on commissions.