---
title: "Allergy medicine brands in the United States: Which are searched most?"
description: "Compare the allergy tablet and nasal spray brands Americans buy. Share of Search among Benadryl, Zyrtec, Flonase, Claritin, Allegra, Xyzal and Nasacort, the allergy medicine brands Brandwave compares in the United States, using the same methodology, market, and reporting period. 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/categories/us-allergy-medicine-brands"
publisher: "Brandwave"
---

# Allergy medicine brands in the United States: Which are searched most?

Compare the allergy tablet and nasal spray brands Americans buy. Share of Search among Benadryl, Zyrtec, Flonase, Claritin, Allegra, Xyzal and Nasacort, the allergy medicine brands Brandwave compares in the United States, using the same methodology, market, and reporting period. 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

- **Competitive set**: Allergy medicine brands
- **Market**: United States
- **Brands compared**: 7
- **Month measured**: Sep 2026
- **Highest Share of Search**: Benadryl, 30.3%

## Which brand is most popular in search among allergy medicine brands in the United States?

- In September 2026, Benadryl was the most searched among allergy medicine brands in the United States, with an estimated 450K branded searches, 30.3% of all searches for the seven we track.
- Zyrtec is in 2nd place, 5.5 percentage points behind at 24.7%.
- Across the 12 months ending September 2026, Benadryl’s share of searches among allergy medicine brands in the United States decreased from 32.3% to 30.3%.
- Across the 12 months ending September 2026, Zyrtec’s share of searches among allergy medicine brands in the United States increased from 21.6% to 24.7%.
- Across the 12 months ending September 2026, Flonase’s share of searches among allergy medicine brands in the United States decreased from 14.4% to 13.5%.
- Across the 12 months ending September 2026, Claritin’s share of searches among allergy medicine brands in the United States decreased from 11.8% to 11.1%.
- Across the 12 months ending September 2026, Allegra’s share of searches among allergy medicine brands in the United States increased from 7.9% to 9.1%.
- Across the 12 months ending September 2026, Xyzal’s share of searches among allergy medicine brands in the United States decreased from 9.7% to 9.1%.
- Across the 12 months ending September 2026, Benadryl’s share of searches among allergy medicine brands in the United States peaked at 34.7% in July 2026 and was lowest at 22.6% in April 2026.
- Across the 12 months ending September 2026, Zyrtec’s share of searches among allergy medicine brands in the United States peaked at 27.6% in April 2026 and was lowest at 21.6% in October 2025.
- Across the 12 months ending September 2026, Flonase’s share of searches among allergy medicine brands in the United States peaked at 18.7% in February 2026 and was lowest at 11.8% in August 2026.
- Across the 12 months ending September 2026, Claritin’s share of searches among allergy medicine brands in the United States peaked at 13.2% in March 2026 and was lowest at 9.9% in January 2026.
- Across the 12 months ending September 2026, Allegra’s share of searches among allergy medicine brands in the United States peaked at 10.1% in April 2026 and was lowest at 6.6% in January 2026.
- Across the 12 months ending September 2026, Xyzal’s share of searches among allergy medicine brands in the United States peaked at 10.8% in March 2026 and was lowest at 7.9% in August 2026.
- Across the 12 months ending September 2026, Allegra rose from 6th to 5th among allergy medicine brands in the United States.
- Across the 12 months ending September 2026, Xyzal fell from 5th to 6th among allergy medicine brands in the United States.
- Across the 12 months ending September 2026, Nasacort held steady: its share of searches among allergy medicine brands in the United States moved less than 0.5 percentage points.

## Top allergy medicine brands in ChatGPT and Google AI Overviews

In Brandwave's three ChatGPT questions and two Google AI Overviews, Flonase appeared every time. Allegra was recommended most often, coming first in three out of five answers. Claritin was second, and Zyrtec was third.

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.

## Compare search popularity between leading brands

- [Benadryl vs Zyrtec: compare search popularity](/demand/us/compare/benadryl-uk-vs-zyrtec): 30.3% against 24.7% Share of Search.
- [Benadryl vs Flonase: compare search popularity](/demand/us/compare/benadryl-uk-vs-flonase): 30.3% against 13.5% Share of Search.
- [Benadryl vs Claritin: compare search popularity](/demand/us/compare/benadryl-uk-vs-claritin): 30.3% against 11.1% Share of Search.
- [Benadryl vs Allegra: compare search popularity](/demand/us/compare/allegra-vs-benadryl-uk): 30.3% against 9.1% Share of Search.
- [Zyrtec vs Flonase: compare search popularity](/demand/us/compare/flonase-vs-zyrtec): 24.7% against 13.5% Share of Search.
- [Zyrtec vs Claritin: compare search popularity](/demand/us/compare/claritin-vs-zyrtec): 24.7% against 11.1% Share of Search.
- [Zyrtec vs Allegra: compare search popularity](/demand/us/compare/allegra-vs-zyrtec): 24.7% against 9.1% Share of Search.
- [Flonase vs Claritin: compare search popularity](/demand/us/compare/claritin-vs-flonase): 13.5% against 11.1% Share of Search.
- [Flonase vs Allegra: compare search popularity](/demand/us/compare/allegra-vs-flonase): 13.5% against 9.1% Share of Search.
- [Claritin vs Allegra: compare search popularity](/demand/us/compare/allegra-vs-claritin): 11.1% against 9.1% Share of Search.

## How did search popularity change for United States allergy medicine brands in September 2026?

- 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, Xyzal gained share of searches among allergy medicine brands in the United States, from 7.9% to 9.1%.
- In September 2026, Benadryl lost share of searches among allergy medicine brands in the United States, from 32.3% to 30.3%.
- In September 2026, Zyrtec lost share of searches among allergy medicine brands in the United States, from 26.4% to 24.7%.
- In September 2026, Claritin lost share of searches among allergy medicine brands in the United States, from 11.8% to 11.1%.

## Share of Search ranking

| Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by |
| --- | --- | --- | --- | --- | --- |
| 1 | Benadryl | 30.3% | 450K | 0.0% | Kenvue |
| 2 | Zyrtec | 24.7% | 368K | 0.0% | Zyrtec |
| 3 | Flonase | 13.5% | 201K | +21.8% | Flonase |
| 4 | Claritin | 11.1% | 165K | 0.0% | Claritin |
| 5 | Allegra | 9.1% | 135K | +22.7% | Allegra |
| 6 | Xyzal | 9.1% | 135K | +22.7% | Xyzal |
| 7 | Nasacort | 2.2% | 33.1K | +22.1% | Nasacort |

## Historical estimated branded-search demand

| Month | Brand | Estimated monthly branded searches | Share of Search | Rank |
| --- | --- | --- | --- | --- |
| Oct 2025 | Benadryl | 450K | 32.3% | 1 |
| Oct 2025 | Zyrtec | 301K | 21.6% | 2 |
| Oct 2025 | Flonase | 201K | 14.4% | 3 |
| Oct 2025 | Claritin | 165K | 11.8% | 4 |
| Oct 2025 | Xyzal | 135K | 9.7% | 5 |
| Oct 2025 | Allegra | 110K | 7.9% | 6 |
| Oct 2025 | Nasacort | 33.1K | 2.4% | 7 |
| Nov 2025 | Benadryl | 368K | 30.8% | 1 |
| Nov 2025 | Zyrtec | 301K | 25.2% | 2 |
| Nov 2025 | Flonase | 165K | 13.8% | 3 |
| Nov 2025 | Claritin | 135K | 11.3% | 4 |
| Nov 2025 | Xyzal | 110K | 9.2% | 5 |
| Nov 2025 | Allegra | 90.5K | 7.6% | 6 |
| Nov 2025 | Nasacort | 27.1K | 2.3% | 7 |
| Dec 2025 | Benadryl | 368K | 29.7% | 1 |
| Dec 2025 | Zyrtec | 301K | 24.3% | 2 |
| Dec 2025 | Flonase | 201K | 16.2% | 3 |
| Dec 2025 | Claritin | 135K | 10.9% | 4 |
| Dec 2025 | Xyzal | 110K | 8.9% | 5 |
| Dec 2025 | Allegra | 90.5K | 7.3% | 6 |
| Dec 2025 | Nasacort | 33.1K | 2.7% | 7 |
| Jan 2026 | Benadryl | 450K | 33% | 1 |
| Jan 2026 | Zyrtec | 301K | 22% | 2 |
| Jan 2026 | Flonase | 246K | 18% | 3 |
| Jan 2026 | Claritin | 135K | 9.9% | 4 |
| Jan 2026 | Xyzal | 110K | 8.1% | 5 |
| Jan 2026 | Allegra | 90.5K | 6.6% | 6 |
| Jan 2026 | Nasacort | 33.1K | 2.4% | 7 |
| Feb 2026 | Benadryl | 368K | 28% | 1 |
| Feb 2026 | Zyrtec | 301K | 22.9% | 2 |
| Feb 2026 | Flonase | 246K | 18.7% | 3 |
| Feb 2026 | Claritin | 165K | 12.6% | 4 |
| Feb 2026 | Xyzal | 110K | 8.4% | 5 |
| Feb 2026 | Allegra | 90.5K | 6.9% | 6 |
| Feb 2026 | Nasacort | 33.1K | 2.5% | 7 |
| Mar 2026 | Benadryl | 450K | 24.2% | 1 |
| Mar 2026 | Zyrtec | 450K | 24.2% | 2 |
| Mar 2026 | Flonase | 301K | 16.2% | 3 |
| Mar 2026 | Claritin | 246K | 13.2% | 4 |
| Mar 2026 | Xyzal | 201K | 10.8% | 5 |
| Mar 2026 | Allegra | 165K | 8.9% | 6 |
| Mar 2026 | Nasacort | 49.5K | 2.7% | 7 |
| Apr 2026 | Zyrtec | 550K | 27.6% | 1 |
| Apr 2026 | Benadryl | 450K | 22.6% | 2 |
| Apr 2026 | Flonase | 301K | 15.1% | 3 |
| Apr 2026 | Claritin | 246K | 12.4% | 4 |
| Apr 2026 | Allegra | 201K | 10.1% | 5 |
| Apr 2026 | Xyzal | 201K | 10.1% | 6 |
| Apr 2026 | Nasacort | 40.5K | 2% | 7 |
| May 2026 | Benadryl | 450K | 26.3% | 1 |
| May 2026 | Zyrtec | 450K | 26.3% | 2 |
| May 2026 | Flonase | 246K | 14.4% | 3 |
| May 2026 | Claritin | 201K | 11.8% | 4 |
| May 2026 | Allegra | 165K | 9.6% | 5 |
| May 2026 | Xyzal | 165K | 9.6% | 6 |
| May 2026 | Nasacort | 33.1K | 1.9% | 7 |
| Jun 2026 | Benadryl | 450K | 33.3% | 1 |
| Jun 2026 | Zyrtec | 301K | 22.2% | 2 |
| Jun 2026 | Claritin | 165K | 12.2% | 3 |
| Jun 2026 | Flonase | 165K | 12.2% | 4 |
| Jun 2026 | Xyzal | 135K | 10% | 5 |
| Jun 2026 | Allegra | 110K | 8.1% | 6 |
| Jun 2026 | Nasacort | 27.1K | 2% | 7 |
| Jul 2026 | Benadryl | 450K | 34.7% | 1 |
| Jul 2026 | Zyrtec | 301K | 23.2% | 2 |
| Jul 2026 | Flonase | 165K | 12.7% | 3 |
| Jul 2026 | Claritin | 135K | 10.4% | 4 |
| Jul 2026 | Allegra | 110K | 8.5% | 5 |
| Jul 2026 | Xyzal | 110K | 8.5% | 6 |
| Jul 2026 | Nasacort | 27.1K | 2.1% | 7 |
| Aug 2026 | Benadryl | 450K | 32.3% | 1 |
| Aug 2026 | Zyrtec | 368K | 26.4% | 2 |
| Aug 2026 | Claritin | 165K | 11.8% | 3 |
| Aug 2026 | Flonase | 165K | 11.8% | 4 |
| Aug 2026 | Allegra | 110K | 7.9% | 5 |
| Aug 2026 | Xyzal | 110K | 7.9% | 6 |
| Aug 2026 | Nasacort | 27.1K | 1.9% | 7 |
| Sep 2026 | Benadryl | 450K | 30.3% | 1 |
| Sep 2026 | Zyrtec | 368K | 24.7% | 2 |
| Sep 2026 | Flonase | 201K | 13.5% | 3 |
| Sep 2026 | Claritin | 165K | 11.1% | 4 |
| Sep 2026 | Allegra | 135K | 9.1% | 5 |
| Sep 2026 | Xyzal | 135K | 9.1% | 6 |
| Sep 2026 | Nasacort | 33.1K | 2.2% | 7 |

## What is being compared

- **Allegra**: Measured on the search term “allegra”.
- **Benadryl**: Measured on the search term “benadryl”.
- **Claritin**: Measured on the search term “claritin”.
- **Flonase**: Measured on the search term “flonase”.
- **Nasacort**: Measured on the search term “nasacort”.
- **Xyzal**: Measured on the search term “xyzal”.
- **Zyrtec**: Measured on the search term “zyrtec”.

- [Allegra](/demand/us/brands/allegra)
- [Benadryl](/demand/us/brands/benadryl-uk)
- [Claritin](/demand/us/brands/claritin)
- [Flonase](/demand/us/brands/flonase)
- [Nasacort](/demand/us/brands/nasacort)
- [Xyzal](/demand/us/brands/xyzal)
- [Zyrtec](/demand/us/brands/zyrtec)

## 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

### Which brand is most popular in search among allergy medicine brands in the United States?

In September 2026, Benadryl was the most searched among allergy medicine brands in the United States, with an estimated 450K branded searches, 30.3% of all searches for the seven we track.

## Cite this page

Brandwave. "Allergy medicine brands in the United States: Which are searched most?". https://gobrandwave.com/demand/us/categories/us-allergy-medicine-brands

This page is also available as HTML at https://gobrandwave.com/demand/us/categories/us-allergy-medicine-brands. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.