Telfast vs Zyrtec:Which is searched more?
In September 2026, Zyrtec had more branded searches than Telfast among hayfever and allergy brands worldwide. Zyrtec was estimated to have 673K branded searches compared to Telfast’s 135K, and held a 60.7% Share of Search versus Telfast’s 12.2%. These are worldwide searches for English-language branded terms.
Follow Telfast vs Zyrtec and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Which is more popular in search, Telfast or Zyrtec?
Compare the antihistamine and hayfever relief brands people buy. 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 Zyrtec, Telfast. The figures are in the table below the chart.
View monthly share of search table
| Month | Zyrtec | Claratyne | Telfast |
|---|---|---|---|
| Oct 2025 | 60.7% | 27.1% | 12.2% |
| Nov 2025 | 59.1% | 26.4% | 14.5% |
| Dec 2025 | 63.9% | 23.3% | 12.8% |
| Jan 2026 | 63.9% | 23.3% | 12.8% |
| Feb 2026 | 60.7% | 27.2% | 12.1% |
| Mar 2026 | 62.1% | 27.8% | 10.2% |
| Apr 2026 | 60.7% | 27.1% | 12.2% |
| May 2026 | 60.7% | 27.1% | 12.2% |
| Jun 2026 | 60.7% | 27.1% | 12.2% |
| Jul 2026 | 59.1% | 26.4% | 14.5% |
| Aug 2026 | 63.9% | 23.3% | 12.8% |
| Sep 2026 | 60.7% | 27.1% | 12.2% |
How has the Telfast and Zyrtec comparison changed over the last 12 months?
3 findings
- Zyrtec was ahead of Telfast in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Telfast’s estimated Share of Search among hayfever and allergy brands worldwide held steady at 12.2%, and its estimated monthly branded searches held steady at 135K.
- Across the 12 months ending September 2026, Zyrtec’s estimated Share of Search among hayfever and allergy brands worldwide held steady at 60.7%, and its estimated monthly branded searches held steady at 673K.
How did search popularity change for hayfever and allergy brands worldwide in September 2026?
2 changes
In September 2026, Zyrtec lost estimated Share of Search among hayfever and allergy brands worldwide, from 63.9% to 60.7%.
In September 2026, Telfast lost estimated Share of Search among hayfever and allergy brands worldwide, from 12.8% to 12.2%.
Other head-to-heads among hayfever and allergy brands
How each brand is measured
Brandwave collects information about searches that people make online using Telfast’s and Zyrtec’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.
Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.