Brandwave

Allegra vs Nasacort:Which is more popular?

In September 2026, Allegra had more branded searches than Nasacort among allergy medicine brands in the United States. Allegra had about 135,000 branded searches, while Nasacort had 33,100. Allegra made up 9.1% of all allergy medicine brand searches we track, and Nasacort accounted for 2.2%. When we asked ChatGPT and Google AI Overviews about allergy medicine brands, Allegra appeared in four of the five answers and Nasacort in three. Allegra was mentioned before Nasacort in four out of five answers.

Among allergy medicine brands in the United States in September 2026

Who do people search for more?

Allegra, about 4 searches for every 1 for Nasacort

Allegra 135K searchesNasacort 33.1K searches

Who does AI mention more?

Allegra, mentioned in 4 of 5 answers, Nasacort in 3

Allegra in 4 of 5Nasacort in 3 of 5

Who does AI recommend more?

Allegra, named ahead of Nasacort in 4 of 5 answers

Allegra first in 4Nasacort first in 1

Follow Allegra vs Nasacort 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

Track your brand against a rival →

Top allergy medicine brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Allegra was mentioned in four out of five: in two of the three ChatGPT answers and in both Google AI Overviews. Nasacort was mentioned in three out of five: in one of the three ChatGPT answers and in both Google AI Overviews. Allegra was listed before Nasacort in four out of five answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Allegra1st
  2. Claritin2nd
  3. Zyrtec3rd
  4. Flonase4th
  5. Nasacort5th
  6. Xyzal6th
  7. Benadryl7th

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

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

Is Allegra or Nasacort more popular in search?

This chart shows how often people search Google for Allegra and Nasacort 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.

Allegra and Nasacort among allergy medicine brands in the United States, by month

Share of searches by month for Allegra, Nasacort. The figures are in the table below the chart.

View monthly share of searches table
MonthBenadrylZyrtecFlonaseClaritinAllegraXyzalNasacort
Oct 202532.3%21.6%14.4%11.8%7.9%9.7%2.4%
Nov 202530.8%25.2%13.8%11.3%7.6%9.2%2.3%
Dec 202529.7%24.3%16.2%10.9%7.3%8.9%2.7%
Jan 202633%22%18%9.9%6.6%8.1%2.4%
Feb 202628%22.9%18.7%12.6%6.9%8.4%2.5%
Mar 202624.2%24.2%16.2%13.2%8.9%10.8%2.7%
Apr 202622.6%27.6%15.1%12.4%10.1%10.1%2%
May 202626.3%26.3%14.4%11.8%9.6%9.6%1.9%
Jun 202633.3%22.2%12.2%12.2%8.1%10%2%
Jul 202634.7%23.2%12.7%10.4%8.5%8.5%2.1%
Aug 202632.3%26.4%11.8%11.8%7.9%7.9%1.9%
Sep 202630.3%24.7%13.5%11.1%9.1%9.1%2.2%

How has the Allegra and Nasacort comparison changed over the last 12 months?

3 findings

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

1 change
  1. In September 2026, Allegra gained share of searches among allergy medicine brands in the United States, from 7.9% to 9.1%.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Allegra’s and Nasacort’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

1 branded search term

  • allegra

Nasacort

1 branded search term

  • nasacort

How the Brand Demand Index is measured

Other head-to-heads among allergy medicine brands

Creator with pink hair and a pink jacket

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.