Gaviscon vs Nexium:Which is more popular?
In September 2026, Nexium had more branded searches than Gaviscon among heartburn and digestive brands in the United States. Nexium had about 90,500 branded searches, while Gaviscon had 60,500. Nexium made up 9.3% of all heartburn and digestive brand searches we track, and Gaviscon accounted for 6.3%. When we asked ChatGPT and Google AI Overviews about heartburn and digestive brands, Gaviscon and Nexium each appeared in one of the five answers. Gaviscon and Nexium were each mentioned first in one of the two answers that named either.
Who do people search for more?
Nexium, about 50% more searches than Gaviscon
Who does AI mention more?
Both were mentioned in 1 of 5 answers.
Who does AI recommend more?
Each is named first in 1 of 2 answers.
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Top heartburn and digestive brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Gaviscon was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. Nexium was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. Gaviscon and Nexium were each listed first in one of the two answers that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Tums1st
Pepcid2nd
Prilosec OTC3rd
Pepto-Bismol4th- Gaviscon5th
- Nexium6th
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Tums5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Pepcid3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Prilosec OTC3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Pepto-Bismol2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Nexium1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Gaviscon1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about heartburn and digestive brands
5 answers
Asked ChatGPT
“What's the best medicine for heartburn?”
Asked ChatGPT
“What's the best antacid?”
Asked ChatGPT
“What should I take for an upset stomach?”
Searched Google, AI Overview
“heartburn medicine”
Searched Google, AI Overview
“antacid”
- 1Tums
- 1
Brands are shown in the order each answer named them. The survey took place in United States on October 27, 2026.
Is Gaviscon or Nexium more popular in search?
This chart shows how often people search Google for Gaviscon and Nexium by name. Each line represents a brand's share of searches for all six heartburn and digestive brands we track, month by month, from searches in United States.
Share of searches by month for Nexium, Gaviscon. The figures are in the table below the chart.
View monthly share of searches table
| Month | Pepto-Bismol | Pepcid | Prilosec OTC | Tums | Nexium | Gaviscon |
|---|---|---|---|---|---|---|
| Oct 2025 | 31.6% | 21.1% | 17.3% | 14.2% | 9.5% | 6.3% |
| Nov 2025 | 28.7% | 23.5% | 15.8% | 15.8% | 10.6% | 5.8% |
| Dec 2025 | 32.1% | 21.5% | 14.4% | 14.4% | 9.7% | 7.9% |
| Jan 2026 | 31.6% | 21.1% | 17.3% | 14.2% | 9.5% | 6.3% |
| Feb 2026 | 33.5% | 22.4% | 15% | 12.2% | 10.1% | 6.7% |
| Mar 2026 | 30.2% | 24.6% | 16.5% | 13.5% | 9.1% | 6.1% |
| Apr 2026 | 31.1% | 25.4% | 13.9% | 13.9% | 9.3% | 6.3% |
| May 2026 | 31.1% | 25.4% | 13.9% | 13.9% | 9.3% | 6.3% |
| Jun 2026 | 26.9% | 26.9% | 14.8% | 14.8% | 9.9% | 6.6% |
| Jul 2026 | 31.6% | 25.9% | 14.2% | 14.2% | 7.8% | 6.4% |
| Aug 2026 | 31.1% | 25.4% | 13.9% | 13.9% | 9.3% | 6.3% |
| Sep 2026 | 31.1% | 25.4% | 13.9% | 13.9% | 9.3% | 6.3% |
How has the Gaviscon and Nexium comparison changed over the last 12 months?
3 findings
- Nexium was ahead of Gaviscon in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Gaviscon’s share of searches among heartburn and digestive brands in the United States held steady at 6.3%, and its estimated monthly branded searches held steady at 60.5K.
- Across the 12 months ending September 2026, Nexium’s share of searches among heartburn and digestive brands in the United States moved from 9.5% to 9.3%, and its estimated monthly branded searches held steady at 90.5K.
How did search popularity change for United States heartburn and digestive brands in September 2026?
0 changes
Neither Gaviscon nor Nexium moved beyond provider rounding among heartburn and digestive brands in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Gaviscon’s and Nexium’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.
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