Cat Dewormer Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Cat Dewormer sales on Amazon US totaled 99,400 units in July 2026 (▲ 14.2% vs. the prior month), generating an estimated $3,333,611 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 83.5% of unit volume and 82.5% of revenue, while a typical listing is priced at $33.85. The keyword itself pulled 57,046 Amazon queries over the same period (▲ 8.0% MoM).
Zooming out to the 12-month window ending July 2026, the cat dewormer Top 50 moved 930,850 units and $28,936,245 in cumulative sales — an average of 77,571 units and $2,411,354 per month. Monthly throughput topped out at 99,400 units in July 2026 and dipped to 51,350 in May 2026, leaving the latest reading 3.5% higher than August 2025.
Cat Dewormer Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
99.4K
▲ 14.2% MoM
Monthly Revenue 2026/07
$3.3M
▲ 12.7% MoM
Top 10 Market Share 2026/07
83.5%
Cat Dewormer Market Share & Sales Concentration on Amazon US — July 2026
The most-sold cat dewormer listing on Amazon US in July 2026 is ASIN B019CD4ZDS (Brand: Elanco), which sold 20,000 units at $18.92 apiece — equal to 20.1% of every unit tracked in this report and 2.0× the volume of the No. 2 listing.
The Top 10 ASINs account for 83,000 units and $2,750,100 in July 2026 — 83.5% of unit volume and 82.5% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Cat Dewormer' on Amazon
July 2026
Is 83.5% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B019CD4ZDS
Elanco Tapeworm Dewormer (praziquantel tablets) for Cats and Kittens 6 Weeks and Older, 3-count
20K
▲ 100.0%vs. prior month
$382.4K
latest month
12-month trend
B07GN2JYSJ
PetArmor CAPACTION (nitenpyram) Oral Flea Treatment for Cats, Cat Flea Treatment Pill, Fast Acting Tablets Start Killing in 30 Minutes, 2-25 lbs, 6 Doses | Ideal for Cats 2-25 lbs; Oral Tablet, No Mess; 6 doses; Fast Flea Knockdown
10K
▲ 0.0%vs. prior month
$297.4K
latest month
12-month trend
B07Q1TKTP9
Capstar (nitenpyram) Cat Flea Treatment, Fast-Acting Oral Flea Treatment for Cats 2-25 lbs, Vet-Recommended Medication Tablets Start Killing in 30 Minutes, 6 Doses
10K
▲ 0.0%vs. prior month
$429.7K
latest month
12-month trend
B0002J1F7G
Frontline Plus Flea & Tick Spot Treatment for Cat & Kitten (Green) Count of 6 | #1 name in flea and tick protection,¹ kills fleas, ticks & chewing lice, waterproof 24 hr, monthly application
10K
▲ 0.0%vs. prior month
$747.2K
latest month
12-month trend
B004QN0MJQ
Advantage II Large Cat Vet-Recommended Flea Treatment & Prevention | Cats Over 9 lbs. | 4-Month Supply
10K
▲ 0.0%vs. prior month
$518.5K
latest month
12-month trend
B00II3L6JK
Ivermectin Paste 1.87% Horse Dewormer - Apple Flavored Oral Syringe 6.08g Tube
7K
▲ 133.3%vs. prior month
$125K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Cat Dewormer Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Elanco is the best-performing cat dewormer brand in July 2026, moving 20,000 units across 1 ASIN for 24.1% of Top 10 volume. PetArmor follows with 20,000 units (24.1%), ahead of Capstar on 10,000 units (12.0%).
With 8 brands splitting the Top 10 and 60.2% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $18.19 to $42.97, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Elanco
1 ASIN in Top 10
24.1%
Units
20K
Revenue
$382.4K
Avg. price
$18.92
B019CD4ZDS
$18.92·★4.6·54.3K revsElanco Tapeworm Dewormer (praziquantel tablets) for Cats and Kittens 6 Weeks and Older, 3-count
Units sold20K
PetArmor
3 ASINs in Top 10
24.1%
Units
20K
Revenue
$427.3K
Avg. price
$18.19
B07GN2JYSJ
$29.74·★4.4·18.5K revsPetArmor CAPACTION (nitenpyram) Oral Flea Treatment for Cats, Cat Flea Treatment Pill, Fast Acting Tablets Start Killing in 30 Minutes, 2-25 lbs, 6 Doses | Ideal for Cats 2-25 lbs; Oral Tablet, No Mess; 6 doses; Fast Flea Knockdown
Units sold10KB07CXWHH1S
$13.84·★4.6·18.9K revsPetArmor 7 Way De-Wormer for Dogs, Oral Treatment of Tapeworm, Roundworm & Hookworm, Dewormer for Puppies & Small Dogs (6-25 lbs), Worm Remover (Praziquantel & Pyrantel Pamoate), 2 Flavored Chewables | Ideal for Small Dogs 6-25 lbs; Broad Spectrum: 2 Tapeworms, 2 Roundworms & 3 Hookworms; 2-count; Chewable Tablets
Units sold7KB010SCHT4Y
$10.99·★4.5·1.6K revsPetArmor Sure Shot Liquid Dewormer Dogs, Roundworms/Hookworms, 2oz | Ideal for Dogs & Puppies 2 Weeks+; Removes 2 Roundworms & 2 Hookworms; vet-quality formula; Precise Liquid Dosing
Units sold3K
Capstar
1 ASIN in Top 10
12.0%
Units
10K
Revenue
$429.7K
Avg. price
$42.97
B07Q1TKTP9
$42.97·★4.4·38.6K revsCapstar (nitenpyram) Cat Flea Treatment, Fast-Acting Oral Flea Treatment for Cats 2-25 lbs, Vet-Recommended Medication Tablets Start Killing in 30 Minutes, 6 Doses
Units sold10K
Trending Cat Dewormer Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. On the growth side, B0GWMMC6JF leads positive momentum with ▲ 700.0% MoM growth on 400 units, with B0GXVC3SMC close behind at ▲ 300.0% MoM on 400 units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0GWMMC6JF
7 Way Fenbendazole Dewormer Tablets for Cats & Dogs – Treats Tapeworms, Roundworms & Hookworms – 10 Tablets per Box – 3-Day Required Treatment – Safe for Pets 6 Weeks
Price
$29.99
Rating
3.6
Reviews
9
Latest month sales
B0GXVC3SMC
Dog & Cat Dewormer, Liquid Dewormer for Dogs & Cats -8Weeks+, Cat Wormer for All Worms, Removes Roundworm & Hookworm (Pyrantel Pamoate), for Pets 6-60 lbs and Over, 3.5 fl oz
Price
$39.99
Rating
4.3
Reviews
12
Latest month sales
B00II3L6JK
Ivermectin Paste 1.87% Horse Dewormer - Apple Flavored Oral Syringe 6.08g Tube
Unlock to view ASIN details and product titles
Price
$16.99
Rating
4.7
Reviews
9.5K
Latest month sales
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