Difflam vs Sudafed:Which is searched more?
In September 2026, Sudafed had more branded searches than Difflam among cold and flu brands worldwide. Sudafed was estimated to have 450K branded searches compared to Difflam’s 74K, and held a 17.3% Share of Search versus Difflam’s 2.8%. These are worldwide searches for English-language branded terms.
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Which is more popular in search, Difflam or Sudafed?
Compare the cold, flu and sore throat remedy brands people reach. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of Search by month for Sudafed, Difflam. The figures are in the table below the chart.
View monthly share of search table
| Month | Vicks | Strepsils | Sudafed | Difflam | Coldrex |
|---|---|---|---|---|---|
| Oct 2025 | 50.3% | 28.4% | 15.6% | 3.1% | 2.6% |
| Nov 2025 | 47.6% | 30.9% | 16.9% | 2.8% | 1.9% |
| Dec 2025 | 49.5% | 27% | 18.1% | 3% | 2.4% |
| Jan 2026 | 49.8% | 27.2% | 18.2% | 2.4% | 2.4% |
| Feb 2026 | 47.3% | 26.1% | 21.4% | 2.9% | 2.4% |
| Mar 2026 | 45.4% | 27.3% | 22.3% | 3% | 2% |
| Apr 2026 | 42.6% | 31.7% | 21.2% | 2.9% | 1.6% |
| May 2026 | 43.9% | 33.4% | 18.3% | 3% | 1.3% |
| Jun 2026 | 46% | 34.5% | 15.4% | 3.1% | 0.93% |
| Jul 2026 | 46% | 34.5% | 15.4% | 3.1% | 0.93% |
| Aug 2026 | 46.2% | 32.2% | 17.6% | 2.9% | 1.1% |
| Sep 2026 | 45.8% | 31.7% | 17.3% | 2.8% | 2.3% |
How has the Difflam and Sudafed comparison changed over the last 12 months?
3 findings
- Sudafed was ahead of Difflam in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Difflam’s estimated Share of Search among cold and flu brands worldwide moved from 3.1% to 2.8%, and its estimated monthly branded searches moved from 90.5K to 74K.
- Across the 12 months ending September 2026, Sudafed’s estimated Share of Search among cold and flu brands worldwide moved from 15.6% to 17.3%, and its estimated monthly branded searches held steady at 450K.
How did search popularity change for cold and flu brands worldwide in September 2026?
1 change
Estimated monthly branded searches for Difflam worldwide fell 18.2% over 12 measured months, from 90.5K to 74K in September 2026.
Other head-to-heads among cold and flu brands
How each brand is measured
Brandwave collects information about searches that people make online using Difflam’s and Sudafed’s 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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