Allegra vs Claritin:Which is more popular?
In September 2026, Claritin had more branded searches than Allegra among allergy medicine brands in the United States. Claritin had about 165,000 branded searches, while Allegra had 135,000. Claritin made up 11.1% of all allergy medicine brand searches we track, and Allegra accounted for 9.1%. When we asked ChatGPT and Google AI Overviews about allergy medicine brands, Allegra and Claritin each appeared in four of the five answers. Allegra was mentioned before Claritin in three out of four answers that named either.
Who do people search for more?
Claritin, about 22% more searches than Allegra
Who does AI mention more?
Both were mentioned in 4 of 5 answers.
Who does AI recommend more?
Allegra, named ahead of Claritin in 3 of 4 answers
Follow Allegra vs Claritin 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
Top allergy medicine brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Allegra and Claritin 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 Claritin in three out of four answers that named either.
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.
Flonase5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Zyrtec4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers- Claritin4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Allegra4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Nasacort3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Benadryl2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Xyzal2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
See every answer about allergy medicine brands
5 answers
Asked ChatGPT
“What's the best allergy medicine?”
Asked ChatGPT
“What's the best non-drowsy allergy medicine?”
Asked ChatGPT
“What's the best nasal spray for allergies?”
Searched Google, AI Overview
“allergy medicine”
Searched Google, AI Overview
“best allergy medicine”
Brands are shown in the order each answer named them. The survey took place in United States on October 27, 2026.
Is Allegra or Claritin more popular in search?
This chart shows how often people search Google for Allegra and Claritin by name. Each line represents a brand's share of searches for all seven allergy medicine brands we track, month by month, from searches in United States.
Share of searches by month for Claritin, Allegra. The figures are in the table below the chart.
View monthly share of searches table
| Month | Benadryl | Zyrtec | Flonase | Claritin | Allegra | Xyzal | Nasacort |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 32.3% | 21.6% | 14.4% | 11.8% | 7.9% | 9.7% | 2.4% |
| Nov 2025 | 30.8% | 25.2% | 13.8% | 11.3% | 7.6% | 9.2% | 2.3% |
| Dec 2025 | 29.7% | 24.3% | 16.2% | 10.9% | 7.3% | 8.9% | 2.7% |
| Jan 2026 | 33% | 22% | 18% | 9.9% | 6.6% | 8.1% | 2.4% |
| Feb 2026 | 28% | 22.9% | 18.7% | 12.6% | 6.9% | 8.4% | 2.5% |
| Mar 2026 | 24.2% | 24.2% | 16.2% | 13.2% | 8.9% | 10.8% | 2.7% |
| Apr 2026 | 22.6% | 27.6% | 15.1% | 12.4% | 10.1% | 10.1% | 2% |
| May 2026 | 26.3% | 26.3% | 14.4% | 11.8% | 9.6% | 9.6% | 1.9% |
| Jun 2026 | 33.3% | 22.2% | 12.2% | 12.2% | 8.1% | 10% | 2% |
| Jul 2026 | 34.7% | 23.2% | 12.7% | 10.4% | 8.5% | 8.5% | 2.1% |
| Aug 2026 | 32.3% | 26.4% | 11.8% | 11.8% | 7.9% | 7.9% | 1.9% |
| Sep 2026 | 30.3% | 24.7% | 13.5% | 11.1% | 9.1% | 9.1% | 2.2% |
How has the Allegra and Claritin comparison changed over the last 12 months?
3 findings
- Claritin 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, Claritin’s share of searches among allergy medicine brands in the United States moved from 11.8% to 11.1%, and its estimated monthly branded searches held steady at 165K.
How did search popularity change for United States allergy medicine brands in September 2026?
3 changes
In September 2026, Flonase overtook Claritin to rank 3rd among allergy medicine brands in the United States, with 13.5% of the searches.
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, Claritin lost share of searches among allergy medicine brands in the United States, from 11.8% to 11.1%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Allegra’s and Claritin’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.
Other head-to-heads among allergy medicine brands
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.