Difflam vs Strepsils:Which is more popular?
In September 2026, Strepsils had more branded searches than Difflam among cold and flu brands in Australia. Strepsils had about 18,100 branded searches, while Difflam had 6,600. Strepsils made up 17% of all cold and flu brand searches we track, and Difflam accounted for 6.2%. When we asked ChatGPT and Google AI Overviews about cold and flu brands, neither Difflam nor Strepsils appeared in any of the five answers.
Who do people search for more?
Strepsils, about 3 searches for every 1 for Difflam
Who does AI mention more?
Both were mentioned in 0 of 5 answers.
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Top cold and flu brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, neither Difflam nor Strepsils showed up in any of the five answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Nurofen3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Codral2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Demazin1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers- Strepsils0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Sudafed0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Lemsip0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Bisolvon0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Vicks0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Difflam0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Duro-Tuss0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about cold and flu brands
5 answers
Asked ChatGPT
“What should I take for a cold in Australia?”
Asked ChatGPT
“What are the best cold and flu tablets in Australia?”
Asked ChatGPT
“What's the best thing for a sore throat?”
Searched Google, AI Overview
“cold and flu tablets”
Searched Google, AI Overview
“sore throat”
Brands are shown in the order each answer named them. The survey took place in Australia on October 26, 2026.
Is Difflam or Strepsils more popular in search?
This chart shows how often people search Google for Difflam and Strepsils by name. Each line represents a brand's share of searches for all ten cold and flu brands we track, month by month, from searches in Australia.
Share of searches by month for Strepsils, Difflam. The figures are in the table below the chart.
View monthly share of searches table
| Month | Strepsils | Sudafed | Lemsip | Bisolvon | Codral | Demazin | Vicks | Difflam | Duro-Tuss | Nurofen |
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 16.2% | 19.8% | 10.8% | 10.8% | 8.8% | 10.8% | 5.9% | 7.2% | 5.9% | 3.9% |
| Nov 2025 | 17.2% | 21.1% | 11.5% | 9.4% | 7.7% | 9.4% | 6.3% | 7.7% | 6.3% | 3.4% |
| Dec 2025 | 15.6% | 23.3% | 10.4% | 10.4% | 8.5% | 8.5% | 6.9% | 6.9% | 5.7% | 3.8% |
| Jan 2026 | 16.4% | 20.1% | 11% | 11% | 8.9% | 8.9% | 7.3% | 7.3% | 5.9% | 3.2% |
| Feb 2026 | 16.6% | 20.3% | 11.1% | 11.1% | 9% | 9% | 7.4% | 7.4% | 4.9% | 3.3% |
| Mar 2026 | 17.2% | 21% | 11.5% | 9.4% | 9.4% | 7.7% | 7.7% | 7.7% | 5.1% | 3.4% |
| Apr 2026 | 16.6% | 20.3% | 13.6% | 9% | 9% | 7.4% | 7.4% | 7.4% | 6% | 3.3% |
| May 2026 | 15.8% | 19.4% | 15.8% | 8.7% | 8.7% | 7.1% | 8.7% | 7.1% | 5.8% | 3.1% |
| Jun 2026 | 14.7% | 18% | 14.7% | 9.9% | 9.9% | 8.1% | 8.1% | 6.6% | 6.6% | 3.6% |
| Jul 2026 | 16.8% | 20.6% | 13.7% | 9.2% | 9.2% | 7.5% | 7.5% | 6.1% | 6.1% | 3.3% |
| Aug 2026 | 16.4% | 20.1% | 13.4% | 9% | 9% | 7.4% | 7.4% | 7.4% | 6% | 4% |
| Sep 2026 | 17% | 17% | 13.9% | 9.3% | 9.3% | 9.3% | 7.6% | 6.2% | 6.2% | 4.1% |
How has the Difflam and Strepsils comparison changed over the last 12 months?
3 findings
- Strepsils was ahead of Difflam in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Difflam’s share of searches among cold and flu brands in Australia moved from 7.2% to 6.2%, and its estimated monthly branded searches moved from 5.4K to 6.6K.
- Across the 12 months ending September 2026, Strepsils’ share of searches among cold and flu brands in Australia moved from 16.2% to 17%, and its estimated monthly branded searches moved from 12.1K to 18.1K.
How did search popularity change for Australia cold and flu brands in September 2026?
2 changes
In September 2026, Strepsils overtook Sudafed to become the leader among cold and flu brands in Australia, with 17% of the searches.
In September 2026, Difflam lost share of searches among cold and flu brands in Australia, from 7.4% to 6.2%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Difflam’s and Strepsils’ names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
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