Flea and worm treatment brands in Australia:Which are most popular?
In September 2026, NexGard was the most searched flea and worm treatment brand in Australia, accounting for 74.2% of all searches among the seven brands we track. When we checked with ChatGPT and Google AI Overviews, NexGard was mentioned most often, in four of the five answers. NexGard was recommended most often, coming first in two out of four responses that gave a list.
NexGardShare of searches 74.2%Mentioned in 4 of 5 AI answersPlace in AI recommendations 1st
BravectoShare of searches 11.4%Mentioned in 2 of 5 AI answersPlace in AI recommendations 2nd
FrontlineShare of searches 6.2%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
DrontalShare of searches 3.3%Mentioned in 1 of 5 AI answersPlace in AI recommendations 3rd
SimparicaShare of searches 3.3%Mentioned in 2 of 5 AI answersPlace in AI recommendations 5th
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Top flea and worm treatment brands in ChatGPT and Google AI Overviews
In Brandwave's three ChatGPT questions and two Google AI Overviews, NexGard was mentioned most often, in four of the five answers. NexGard was recommended most often, coming first in two out of four answers that gave a list. Bravecto was second, and Drontal was third. Frontline, which ranked third in searches, was not mentioned at all.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
NexGard4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Bravecto2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Simparica2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Capstar2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Drontal1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Seresto1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Frontline0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about flea and worm treatment brands
5 answers
Asked ChatGPT
“Which flea and tick treatment should I use for my dog in Australia?”
Asked ChatGPT
“What are the best flea treatments for cats?”
Asked ChatGPT
“What's the best worming tablet for dogs?”
Searched Google, AI Overview
“flea treatment for dogs”
Searched Google, AI Overview
“flea treatment”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in Australia on October 26, 2026.
Which flea and worm treatment brands do people search for most?
This chart shows how often people search Google for each flea and worm treatment brand by name. Each line represents a brand's share of searches for all seven flea and worm treatment brands we track, month by month, from searches in Australia.
Share of searches by month for NexGard, Bravecto, Frontline, Drontal, Simparica. The figures are in the table below the chart.
View monthly share of searches table
| Month | NexGard | Bravecto | Frontline | Drontal | Simparica | Capstar | Seresto |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 73.1% | 11.7% | 6.4% | 2.8% | 4.3% | 1% | 0.69% |
| Nov 2025 | 73.4% | 11.8% | 6.4% | 3.4% | 3.4% | 1.1% | 0.57% |
| Dec 2025 | 73% | 11.7% | 6.3% | 3.5% | 3.5% | 1.3% | 0.84% |
| Jan 2026 | 73.2% | 11.2% | 6% | 3.3% | 3.9% | 1.5% | 0.81% |
| Feb 2026 | 74.6% | 9.7% | 6.4% | 3.5% | 3.5% | 1.6% | 0.58% |
| Mar 2026 | 72% | 11% | 7.4% | 3.3% | 3.9% | 1.8% | 0.65% |
| Apr 2026 | 71.9% | 11.5% | 7.7% | 3.4% | 3.4% | 1.5% | 0.55% |
| May 2026 | 74.2% | 9.7% | 7.9% | 3.5% | 2.9% | 1.3% | 0.46% |
| Jun 2026 | 70.6% | 10.8% | 8.8% | 3.9% | 3.9% | 1.4% | 0.51% |
| Jul 2026 | 75.6% | 9.9% | 6.5% | 3.6% | 2.9% | 1.1% | 0.47% |
| Aug 2026 | 74.8% | 9.3% | 7.6% | 3.4% | 3.4% | 1% | 0.45% |
| Sep 2026 | 74.2% | 11.4% | 6.2% | 3.3% | 3.3% | 1% | 0.67% |
| Rank | Brand | Share of searches | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 74.2% | 43K | +22.2% | -0.6 points | |
| 2, held 2nd | 11.4% | 6.6K | +50% | +2 points | |
| 3, held 3rd | 6.2% | 3.6K | 0% | -1.4 points | |
| 4, held 4th | 3.3% | 1.9K | +18.8% | -0.1 points | |
| 5, held 5th | 3.3% | 1.9K | +18.8% | -0.1 points | |
| 6, held 6th | 1% | 590 | +22.9% | 0 points | |
| 7, held 7th | 0.67% | 390 | +85.7% | +0.2 points |
1.
NexGard74.2%
Held 1st. 43K estimated branded searches, +22.2% vs prior month. Share -0.6 points.
2.
Bravecto11.4%
Held 2nd. 6.6K estimated branded searches, +50% vs prior month. Share +2 points.
6.2%
Held 3rd. 3.6K estimated branded searches, 0% vs prior month. Share -1.4 points.
4.
Drontal3.3%
Held 4th. 1.9K estimated branded searches, +18.8% vs prior month. Share -0.1 points.
3.3%
Held 5th. 1.9K estimated branded searches, +18.8% vs prior month. Share -0.1 points.
6.
Capstar1%
Held 6th. 590 estimated branded searches, +22.9% vs prior month. Share 0 points.
7.
Seresto0.67%
Held 7th. 390 estimated branded searches, +85.7% vs prior month. Share +0.2 points.
Which brand is most popular in search among flea and worm treatment brands in Australia?
7 brands
In September 2026, NexGard was the most searched among flea and worm treatment brands in Australia, with an estimated 43K branded searches, 74.2% of all searches for the seven we track. Bravecto is in 2nd place, 62.8 percentage points behind at 11.4%.
| Brand | Share of searches | Peak | Low | Rank |
|---|---|---|---|---|
| 73.1% → 74.2% | 75.6%Jul 2026 | 70.6%Jun 2026 | 1st | |
| 11.7% → 11.4% | 11.8%Nov 2025 | 9.3%Aug 2026 | 2nd | |
| 6.4% → 6.2% | 8.8%Jun 2026 | 6%Jan 2026 | 3rd | |
| 2.8% → 3.3% | 3.9%Jun 2026 | 2.8%Oct 2025 | 5th → 4th | |
| 4.3% → 3.3% | 4.3%Oct 2025 | 2.9%May 2026 | 4th → 5th | |
| 1% | 1.8%Mar 2026 | 1%Sep 2026 | 6th | |
| 0.69% → 0.67% | 0.84%Dec 2025 | 0.45%Aug 2026 | 7th |
Each finding as a sentence
- Across the 12 months ending September 2026, NexGard’s share of searches among flea and worm treatment brands in Australia increased from 73.1% to 74.2%.
- Across the 12 months ending September 2026, Simparica’s share of searches among flea and worm treatment brands in Australia decreased from 4.3% to 3.3%.
- Across the 12 months ending September 2026, NexGard’s share of searches among flea and worm treatment brands in Australia peaked at 75.6% in July 2026 and was lowest at 70.6% in June 2026.
- Across the 12 months ending September 2026, Bravecto’s share of searches among flea and worm treatment brands in Australia peaked at 11.8% in November 2025 and was lowest at 9.3% in August 2026.
- Across the 12 months ending September 2026, Frontline’s share of searches among flea and worm treatment brands in Australia peaked at 8.8% in June 2026 and was lowest at 6% in January 2026.
- Across the 12 months ending September 2026, Drontal’s share of searches among flea and worm treatment brands in Australia peaked at 3.9% in June 2026 and was lowest at 2.8% in October 2025.
- Across the 12 months ending September 2026, Simparica’s share of searches among flea and worm treatment brands in Australia peaked at 4.3% in October 2025 and was lowest at 2.9% in May 2026.
- Across the 12 months ending September 2026, Drontal rose from 5th to 4th among flea and worm treatment brands in Australia.
- Across the 12 months ending September 2026, Simparica fell from 4th to 5th among flea and worm treatment brands in Australia.
- Across the 12 months ending September 2026, Bravecto, Frontline, Capstar and Seresto held steady: their share of searches among flea and worm treatment brands in Australia each moved less than 0.5 percentage points.
How did search popularity change for Australia flea and worm treatment brands in September 2026?
5 changes

In September 2026, Bravecto gained share of searches among flea and worm treatment brands in Australia, from 9.3% to 11.4%.

In September 2026, Frontline lost share of searches among flea and worm treatment brands in Australia, from 7.6% to 6.2%.

In September 2026, NexGard lost share of searches among flea and worm treatment brands in Australia, from 74.8% to 74.2%.

Drontal’s share of searches among flea and worm treatment brands in Australia has lost ground for 3 months in a row, from 3.9% to 3.3% in September 2026.

Estimated monthly branded searches for Simparica in Australia fell 20.8% over 12 measured months, from 2.4K to 1.9K in September 2026.
How are branded searches counted for flea and worm treatment brands?
8 search terms
Each brand's share of searches among flea and worm treatment brands comes from the terms listed under its name. When people mostly search for a brand because of something else it sells, only the searches that name this product count here.
Compare popularity between leading brands

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Bravecto vs Simparica: compare popularity
Frontline vs Drontal: compare popularity
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Drontal vs Simparica: compare popularity- Compare any of these brands

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