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

Name: Allergy medicine brands in the United States: Which are searched most?
Creator: Brandwave
License: https://creativecommons.org/licenses/by/4.0/

In September 2026, Benadryl was the most searched allergy medicine brand in the United States, accounting for 30.3% of all searches among the seven brands we track. When we checked with ChatGPT and Google AI Overviews, Flonase showed up in every answer. Allegra was recommended most often, coming first in three out of five responses.

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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.

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.

How many AI answers named each brand
Brand	ChatGPT	Google	Answers that named it
Flonase	Named in 3 of 3 ChatGPT answers	Named in 2 of 2 Google AI Overviews	5 of 5
Zyrtec	Named in 2 of 3 ChatGPT answers	Named in 2 of 2 Google AI Overviews	4 of 5
Claritin	Named in 2 of 3 ChatGPT answers	Named in 2 of 2 Google AI Overviews	4 of 5
Allegra	Named in 2 of 3 ChatGPT answers	Named in 2 of 2 Google AI Overviews	4 of 5
Nasacort	Named in 1 of 3 ChatGPT answers	Named in 2 of 2 Google AI Overviews	3 of 5
Benadryl	Named in 0 of 3 ChatGPT answers	Named in 2 of 2 Google AI Overviews	2 of 5
Xyzal	Named in 0 of 3 ChatGPT answers	Named in 2 of 2 Google AI Overviews	2 of 5

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?”
1. 1Allegra
2. 2Zyrtec
3. 3Flonase
4. 4Claritin
Asked ChatGPT
“What's the best non-drowsy allergy medicine?”
1. 1Allegra
2. 2Claritin
3. 3Zyrtec
4. 4Flonase
Asked ChatGPT
“What's the best nasal spray for allergies?”
1. 1Flonase
2. 2Nasacort
Searched Google, AI Overview
“allergy medicine”
1. 1Claritin
2. 2Allegra
3. 3Zyrtec
4. 4Xyzal
5. 5Benadryl
6. 6Flonase
7. 7Nasacort
Searched Google, AI Overview
“best allergy medicine”
1. 1Allegra
2. 2Claritin
3. 3Zyrtec
4. 4Flonase
5. 5Nasacort
6. 6Xyzal
7. 7Benadryl

Brands are shown in the order each answer named them. The survey took place in United States on October 27, 2026.

Which allergy medicine brands do people search for most?

This chart shows how often people search Google for each allergy medicine brand 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 among allergy medicine brands in the United States, by month

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%

Rank	Brand	Share of searches	Estimated monthly branded searches	vs prior month	Share change
1, held 1st	Benadryl Kenvue	30.3%	450K	0%	-2 points
2, held 2nd	Zyrtec	24.7%	368K	0%	-1.6 points
3, moved from 4th to 3rd	Flonase	13.5%	201K	+21.8%	+1.7 pointsmoved from 4th to 3rd
4, moved from 3rd to 4th	Claritin	11.1%	165K	0%	-0.7 pointsmoved from 3rd to 4th
5, held 5th	Allegra	9.1%	135K	+22.7%	+1.2 points
6, held 6th	Xyzal	9.1%	135K	+22.7%	+1.2 points
7, held 7th	Nasacort	2.2%	33.1K	+22.1%	+0.3 points

1.Benadryl
30.3%
Held 1st. 450K estimated branded searches, 0% vs prior month. Share -2 points.
2.Zyrtec
24.7%
Held 2nd. 368K estimated branded searches, 0% vs prior month. Share -1.6 points.
3.Flonase
13.5%
Moved from 4th to 3rd. 201K estimated branded searches, +21.8% vs prior month. Share +1.7 points.
4.Claritin
11.1%
Moved from 3rd to 4th. 165K estimated branded searches, 0% vs prior month. Share -0.7 points.
5.Allegra
9.1%
Held 5th. 135K estimated branded searches, +22.7% vs prior month. Share +1.2 points.
6.Xyzal
9.1%
Held 6th. 135K estimated branded searches, +22.7% vs prior month. Share +1.2 points.
7.Nasacort
2.2%
Held 7th. 33.1K estimated branded searches, +22.1% vs prior month. Share +0.3 points.

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

7 brands

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%.

United States allergy medicine brands, last 12 months ending September 2026
Brand	Share of searches	Peak	Low	Rank
Benadryl	32.3% → 30.3%	34.7%Jul 2026	22.6%Apr 2026	1st
Zyrtec	21.6% → 24.7%	27.6%Apr 2026	21.6%Oct 2025	2nd
Flonase	14.4% → 13.5%	18.7%Feb 2026	11.8%Aug 2026	3rd
Claritin	11.8% → 11.1%	13.2%Mar 2026	9.9%Jan 2026	4th
Allegra	7.9% → 9.1%	10.1%Apr 2026	6.6%Jan 2026	6th → 5th
Xyzal	9.7% → 9.1%	10.8%Mar 2026	7.9%Aug 2026	5th → 6th
Nasacort	2.4% → 2.2%	2.7%Dec 2025	1.9%May 2026	7th

Each finding as a sentence

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.

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

6 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, 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%.

How are branded searches counted for allergy medicine brands?

7 search terms

Each brand's share of searches among allergy medicine brands comes from the terms listed under its name. When people mostly search for a brand because of something else it sells, only the searches that name this product count here.