--- title: "Allegra vs Zyrtec: Which is searched more in the United States?" description: "Is Allegra or Zyrtec more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Allergy medicine brands set in the United States. 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." canonical: "https://gobrandwave.com/demand/us/compare/allegra-vs-zyrtec" publisher: "Brandwave" --- # Allegra vs Zyrtec: Which is searched more in the United States? Is Allegra or Zyrtec more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Allergy medicine brands set in the United States. 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. ## Key facts - **Compared**: Allegra and Zyrtec - **Competitive set**: Allergy medicine brands - **Market**: United States - **Month measured**: Sep 2026 - **Allegra Share of Search**: 9.1% - **Zyrtec Share of Search**: 24.7% ## Is Allegra or Zyrtec more popular in search? - In September 2026, Zyrtec had more branded searches than Allegra among allergy medicine brands in the United States. Zyrtec had about 368,000 branded searches, while Allegra had 135,000. Zyrtec made up 24.7% of all allergy medicine brand searches we track, and Allegra accounted for 9.1%. - Zyrtec was ahead of Allegra in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, Allegra’s share of searches among allergy medicine brands in the United States moved from 7.9% to 9.1%, and its estimated monthly branded searches moved from 110K to 135K. - Across the 12 months ending September 2026, Zyrtec’s share of searches among allergy medicine brands in the United States moved from 21.6% to 24.7%, and its estimated monthly branded searches moved from 301K to 368K. ## Top allergy medicine brands in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Allegra and Zyrtec were each mentioned in four out of five: in two of the three ChatGPT answers and in both Google AI Overviews. Allegra was listed before Zyrtec in every answer that named either. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | Allegra | 1st | 2 of 3 | 2 of 2 | 4 of 5 | | Claritin | 2nd | 2 of 3 | 2 of 2 | 4 of 5 | | Zyrtec | 3rd | 2 of 3 | 2 of 2 | 4 of 5 | | Flonase | 4th | 3 of 3 | 2 of 2 | 5 of 5 | | Nasacort | 5th | 1 of 3 | 2 of 2 | 3 of 5 | | Xyzal | 6th | 0 of 3 | 2 of 2 | 2 of 5 | | Benadryl | 7th | 0 of 3 | 2 of 2 | 2 of 5 | ## Every AI answer about allergy medicine brands - Asked ChatGPT "What's the best allergy medicine?": 1. Allegra, 2. Zyrtec, 3. Flonase, 4. Claritin - Asked ChatGPT "What's the best non-drowsy allergy medicine?": 1. Allegra, 2. Claritin, 3. Zyrtec, 4. Flonase - Asked ChatGPT "What's the best nasal spray for allergies?": 1. Flonase, 2. Nasacort - Searched Google, AI Overview "allergy medicine": 1. Claritin, 2. Allegra, 3. Zyrtec, 4. Xyzal, 5. Benadryl, 6. Flonase, 7. Nasacort - Searched Google, AI Overview "best allergy medicine": 1. Allegra, 2. Claritin, 3. Zyrtec, 4. Flonase, 5. Nasacort, 6. Xyzal, 7. Benadryl Brands are listed in the order each answer named them. The answers were collected in United States on October 27, 2026. ## How did search popularity change for United States allergy medicine brands in September 2026? - In September 2026, Allegra gained share of searches among allergy medicine brands in the United States, from 7.9% to 9.1%. - In September 2026, Zyrtec lost share of searches among allergy medicine brands in the United States, from 26.4% to 24.7%. ## Month by month | Month | Allegra estimated searches | Allegra Share of Search | Allegra rank | Zyrtec estimated searches | Zyrtec Share of Search | Zyrtec rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 110K | 7.9% | 6 | 301K | 21.6% | 2 | | Nov 2025 | 90.5K | 7.6% | 6 | 301K | 25.2% | 2 | | Dec 2025 | 90.5K | 7.3% | 6 | 301K | 24.3% | 2 | | Jan 2026 | 90.5K | 6.6% | 6 | 301K | 22% | 2 | | Feb 2026 | 90.5K | 6.9% | 6 | 301K | 22.9% | 2 | | Mar 2026 | 165K | 8.9% | 6 | 450K | 24.2% | 2 | | Apr 2026 | 201K | 10.1% | 5 | 550K | 27.6% | 1 | | May 2026 | 165K | 9.6% | 5 | 450K | 26.3% | 2 | | Jun 2026 | 110K | 8.1% | 6 | 301K | 22.2% | 2 | | Jul 2026 | 110K | 8.5% | 5 | 301K | 23.2% | 2 | | Aug 2026 | 110K | 7.9% | 5 | 368K | 26.4% | 2 | | Sep 2026 | 135K | 9.1% | 5 | 368K | 24.7% | 2 | ## How each brand is measured Brandwave collects information about searches that people make online using Allegra’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. - **Allegra**: Measured on the search term “allegra”. - **Zyrtec**: Measured on the search term “zyrtec”. - [Allegra profile](/demand/us/brands/allegra) - [Zyrtec profile](/demand/us/brands/zyrtec) - [All allergy medicine brands in the United States](/demand/us/categories/us-allergy-medicine-brands): The set both shares are measured inside, 7 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is Allegra or Zyrtec more popular in search? In September 2026, Zyrtec had more branded searches than Allegra among allergy medicine brands in the United States. Zyrtec had about 368,000 branded searches, while Allegra had 135,000. Zyrtec made up 24.7% of all allergy medicine brand searches we track, and Allegra accounted for 9.1%. ## Cite this page Brandwave. "Allegra vs Zyrtec: Which is searched more in the United States?". https://gobrandwave.com/demand/us/compare/allegra-vs-zyrtec This page is also available as HTML at https://gobrandwave.com/demand/us/compare/allegra-vs-zyrtec. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.