Medically Reviewed by: Medsdog Team
Last Updated: September 2026
When it comes to keeping your dog healthy and free from intestinal parasites giving the correct pyrantel pamoate dosage for dogs is the difference between a dewormer that actually clears roundworms and hookworms and one that either fails to work or upsets your dog’s stomach.
This guide gives you the exact pyrantel pamoate dosage by weight, in both mg/kg and mL along with the calculator, based on the FDA-approved veterinary label plus a puppy schedule, a printable chart, and the safety data your vet would want you to see.
The veterinarian recommended pyrantel pamoate dosage for treating parasites such as roundworms and hookworms in dogs is 5-10 mg/kg 2.5-5 mg/lb once a day for 3 weeks.
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Disclaimer: All information in this guide is provided for educational purposes only and should never replace professional veterinary advice.
Pyrantel Pamoate Dosage Calculator for Dogs
Estimate the dosage of Pyrantel Pamoate for treating roundworms and hookworms in dogs.
Pyrantel Pamoate For Dogs Overview
What Is Pyrantel Pamoate for Dogs?
Pyrantel pamoate is an anthelmintic (deworming) compound that works by paralyzing the neuromuscular function of intestinal parasites, so the worms release their grip on the intestinal wall and are passed naturally in the stool. It's sold under brand names such as Nemex-2, Strongid T, and Oral-Pro, and comes in liquid suspension, chewable tablet, and paste formulations.
It's approved to treat:
| Parasite | Species treated | Effectiveness |
|---|---|---|
| Large roundworm (Toxocara canis) | Dogs, puppies | ~85% |
| Roundworm (Toxascaris leonina) | Dogs, puppies | ~99% |
| Hookworm (Ancylostoma caninum) | Dogs, puppies | ~97% |
| Hookworm (Uncinaria stenocephala) | Dogs, puppies | ~94% |
| Whipworm (Trichuris vulpis) | Dogs | Egg-count reduction only, not a cure |
| Tapeworm | Dogs | Not effective |
Because it doesn't touch tapeworms and only partially helps with whipworms, many vets pair it with a separate treatment. If your dog also needs whipworm coverage, a broader-spectrum option like fenbendazole is usually the next step your vet will reach for, since it clears whipworms that pyrantel can't fully remove. For confirmed tapeworm infections, you'll need a praziquantel-based product instead this is where a dedicated tapeworm dewormer such as Droncit comes in.
Why Getting the Dose Right Matters
Underdosing leaves live worms behind, which means continued nutrient loss, anemia risk in puppies, and a false sense that the problem is solved. Overdosing pushes past the drug's safety margin and can trigger vomiting, diarrhea, or lethargy.
The FDA label reports the acute oral LD50 (the dose at which toxicity becomes a serious risk) at more than 314 mg per pound of body weight that's roughly 138 times the standard recommended dose, which is a wide safety margin, but it isn't a reason to guess at dosing.
Most real-world dosing errors don't come from a huge overdose; they come from using the wrong chart for the wrong concentration, which is why the numbers below matter more than the safety margin does.
Pyrantel Pamoate Dosage Chart for Dogs by Weight
| Dog Weight | Weight (kg) | Low Dose 5 mg/kg | High Dose 10 mg/kg | Daily Dose Range |
|---|---|---|---|---|
| 5 lb | 2.3 kg | 11.5 mg | 23 mg | 11.5–23 mg |
| 10 lb | 4.5 kg | 22.5 mg | 45 mg | 22.5–45 mg |
| 15 lb | 6.8 kg | 34 mg | 68 mg | 34–68 mg |
| 20 lb | 9.1 kg | 45.5 mg | 91 mg | 45.5–91 mg |
| 25 lb | 11.3 kg | 56.5 mg | 113 mg | 56.5–113 mg |
| 30 lb | 13.6 kg | 68 mg | 136 mg | 68–136 mg |
| 35 lb | 15.9 kg | 79.5 mg | 159 mg | 79.5–159 mg |
| 40 lb | 18.1 kg | 90.5 mg | 181 mg | 90.5–181 mg |
| 45 lb | 20.4 kg | 102 mg | 204 mg | 102–204 mg |
| 50 lb | 22.7 kg | 113.5 mg | 227 mg | 113.5–227 mg |
| 60 lb | 27.2 kg | 136 mg | 272 mg | 136–272 mg |
| 70 lb | 31.8 kg | 159 mg | 318 mg | 159–318 mg |
| 80 lb | 36.3 kg | 181.5 mg | 363 mg | 181.5–363 mg |
| 90 lb | 40.8 kg | 204 mg | 408 mg | 204–408 mg |
| 100 lb | 45.4 kg | 227 mg | 454 mg | 227–454 mg |
| 110 lb | 49.9 kg | 249.5 mg | 499 mg | 249.5–499 mg |
| 120 lb | 54.4 kg | 272 mg | 544 mg | 272–544 mg |
Pyrantel Pamoate 22.7 mg, 62.5 mg, 113.5 mg Tablets Dosage Chart
| Dog Weight | Weight (kg) | Low Dose 5 mg/kg | Recommended Strength | Low-Dose Tablets | High Dose 10 mg/kg | High-Dose Tablets |
|---|---|---|---|---|---|---|
| 5 lb | 2.3 kg | 11.5 mg | 22.7 mg | ½ tablet | 23 mg | 1 tablet |
| 10 lb | 4.5 kg | 22.5 mg | 22.7 mg | 1 tablet | 45 mg | 2 tablets |
| 15 lb | 6.8 kg | 34 mg | 22.7 mg | 1½ tablets | 68 mg | 3 tablets |
| 20 lb | 9.1 kg | 45.5 mg | 22.7 mg | 2 tablets | 91 mg | 4 tablets |
| 25 lb | 11.3 kg | 56.5 mg | 113.5 mg | ½ tablet | 113 mg | 1 tablet |
| 30 lb | 13.6 kg | 68 mg | 22.7 mg | 3 tablets | 136 mg | 6 tablets |
| 35 lb | 15.9 kg | 79.5 mg | 22.7 mg | 3½ tablets | 159 mg | 7 tablets |
| 40 lb | 18.1 kg | 90.5 mg | 22.7 mg | 4 tablets | 181 mg | 8 tablets |
| 45 lb | 20.4 kg | 102 mg | 113.5 mg | 1 tablet | 204 mg | 2 tablets |
| 50 lb | 22.7 kg | 113.5 mg | 113.5 mg | 1 tablet | 227 mg | 2 tablets |
| 60 lb | 27.2 kg | 136 mg | 22.7 mg | 6 tablets | 272 mg | 12 tablets |
| 70 lb | 31.8 kg | 159 mg | 113.5 mg | 1½ tablets | 318 mg | 3 tablets |
| 80 lb | 36.3 kg | 181.5 mg | 113.5 mg | 1½ tablets | 363 mg | 3¼ tablets |
| 90 lb | 40.8 kg | 204 mg | 113.5 mg | 2 tablets | 408 mg | 3½ tablets + ¼ tablet |
| 100 lb | 45.4 kg | 227 mg | 113.5 mg | 2 tablets | 454 mg | 4 tablets |
| 110 lb | 49.9 kg | 249.5 mg | 113.5 mg | 2¼ tablets | 499 mg | 4½ tablets |
| 120 lb | 54.4 kg | 272 mg | 113.5 mg | 2½ tablets | 544 mg | 5 tablets |
Pyrantel Pamoate Suspension 2.27 mg/ml, 4.54 mg/ml, and 50 mg/ml Dosage Chart
| Dog Weight | Low Dose 5 mg/kg | 2.27 mg/mL | 4.54 mg/mL | 50 mg/mL | High Dose 10 mg/kg | 2.27 mg/mL | 4.54 mg/mL | 50 mg/mL |
|---|---|---|---|---|---|---|---|---|
| 5 lb (2.3 kg) | 11.5 mg | 5.1 mL | 2.5 mL | 0.23 mL | 23 mg | 10.1 mL | 5.1 mL | 0.46 mL |
| 10 lb (4.5 kg) | 22.5 mg | 9.9 mL | 5.0 mL | 0.45 mL | 45 mg | 19.8 mL | 9.9 mL | 0.90 mL |
| 15 lb (6.8 kg) | 34 mg | 15.0 mL | 7.5 mL | 0.68 mL | 68 mg | 30.0 mL | 15.0 mL | 1.36 mL |
| 20 lb (9.1 kg) | 45.5 mg | 20.0 mL | 10.0 mL | 0.91 mL | 91 mg | 40.1 mL | 20.0 mL | 1.82 mL |
| 25 lb (11.3 kg) | 56.5 mg | 24.9 mL | 12.4 mL | 1.13 mL | 113 mg | 49.8 mL | 24.9 mL | 2.26 mL |
| 30 lb (13.6 kg) | 68 mg | 30.0 mL | 15.0 mL | 1.36 mL | 136 mg | 59.9 mL | 30.0 mL | 2.72 mL |
| 35 lb (15.9 kg) | 79.5 mg | 35.0 mL | 17.5 mL | 1.59 mL | 159 mg | 70.0 mL | 35.0 mL | 3.18 mL |
| 40 lb (18.1 kg) | 90.5 mg | 39.9 mL | 19.9 mL | 1.81 mL | 181 mg | 79.7 mL | 39.9 mL | 3.62 mL |
| 45 lb (20.4 kg) | 102 mg | 44.9 mL | 22.5 mL | 2.04 mL | 204 mg | 89.9 mL | 44.9 mL | 4.08 mL |
| 50 lb (22.7 kg) | 113.5 mg | 50.0 mL | 25.0 mL | 2.27 mL | 227 mg | 100.0 mL | 50.0 mL | 4.54 mL |
| 60 lb (27.2 kg) | 136 mg | 59.9 mL | 30.0 mL | 2.72 mL | 272 mg | 119.8 mL | 59.9 mL | 5.44 mL |
| 70 lb (31.8 kg) | 159 mg | 70.0 mL | 35.0 mL | 3.18 mL | 318 mg | 140.1 mL | 70.0 mL | 6.36 mL |
| 80 lb (36.3 kg) | 181.5 mg | 80.0 mL | 40.0 mL | 3.63 mL | 363 mg | 160.0 mL | 80.0 mL | 7.26 mL |
| 90 lb (40.8 kg ) | 204 mg | 89.9 mL | 44.9 mL | 4.08 mL | 408 mg | 179.7 mL | 89.9 mL | 8.16 mL |
| 100 lb (45.4 kg) | 227 mg | 100.0 mL | 50.0 mL | 4.54 mL | 454 mg | 200.0 mL | 100.0 mL | 9.08 mL |
| 110 lb (49.9 kg) | 249.5 mg | 109.9 mL | 55.0 mL | 4.99 mL | 499 mg | 219.8 mL | 109.9 mL | 9.98 mL |
| 120 lb (54.4 kg) | 272 mg | 119.8 mL | 59.9 mL | 5.44 mL | 544 mg | 239.6 mL | 119.8 mL | 10.88 mL |
Administration Tips
Safety Considerations and Side Effects
Pyrantel Pamoate vs. Other Common Dewormers
| Drug | Treats | Doesn't treat | Typical use case |
|---|---|---|---|
| Pyrantel Pamoate | Roundworms, hookworms | Tapeworms, whipworms (fully) | First-line puppy/adult deworming |
| Fenbendazole | Roundworms, hookworms, whipworms, some tapeworms, Giardia | — | Broader coverage, nursing dams |
| Praziquantel | Tapeworms | Roundworms, hookworms | Tapeworm-specific or combo products |
| Levamisole | Roundworms, some lungworm | Tapeworms | Less common, used in specific cases |
If your dog's fecal test comes back positive for tapeworms, pyrantel alone won't clear it a praziquantel-based dewormer will need to be added to the protocol. And if you're managing a breeding program or a dog with a history of whipworms, rotating in a Safe-Guard suspension course covers gaps that pyrantel leaves open, including Giardia, which pyrantel doesn't touch at all.
Many vets also build combination protocols using a three-day fenbendazole-based course such as Panacur alongside pyrantel for dogs that need full-spectrum coverage in a single deworming round.
FAQs
Can I give Pyrantel Pamoate to my puppy?
Yes puppies can surely be treated with pyrantel pamoate, but make sure to dose according to weight if they are older than 2 weeks.
What if my dog throws up after taking Pyrantel?
Mild vomiting which is usually self-limiting See your vet if the vomiting is severe or repeated.
Can pyrantel pamoate be mixed with other dewormers?
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Sometimes, yes vets commonly combine it with fenbendazole or praziquantel-based products for broader parasite coverage, but this should always be confirmed with your veterinarian rather than done at home without guidance.
How often should I deworm my dog with pyrantel pamoate?
Puppies: every 2 weeks from 2 to 12 weeks of age. Adult dogs: typically, every 3–6 months, or as recommended by your vet based on lifestyle and exposure risk.
Final Thoughts
The math behind a correct pyrantel pamoate for dogs' dose isn't complicated, but it only works if you're using the right rate for your dog's exact weight and the right chart for your product's concentration.
Use the calculator above for a fast, accurate number, keep a printed chart on hand if you're managing multiple dogs or a litter of puppies, and always loop in your veterinarian before starting or repeating a deworming schedule especially for puppies, pregnant or nursing dogs, or any dog with an existing health condition.
