Heartburn and digestive brands in the United States:Which are most popular?
In September 2026, Pepto-Bismol was the most searched heartburn and digestive brand in the United States, accounting for 31.1% of all searches among the six brands we track. When we checked with ChatGPT and Google AI Overviews, Tums showed up in every answer. Tums was recommended most often, coming first in all three responses that gave a list.
Pepto-BismolShare of searches 31.1%Mentioned in 2 of 5 AI answersPlace in AI recommendations 4th
PepcidShare of searches 25.4%Mentioned in 3 of 5 AI answersPlace in AI recommendations 2nd
Prilosec OTCShare of searches 13.9%Mentioned in 3 of 5 AI answersPlace in AI recommendations 3rd
TumsShare of searches 13.9%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st
NexiumShare of searches 9.3%Mentioned in 1 of 5 AI answersPlace in AI recommendations 6th
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Top heartburn and digestive brands in ChatGPT and Google AI Overviews
In Brandwave's three ChatGPT questions and two Google AI Overviews, Tums appeared every time. Tums was recommended most often, coming first in all three answers that gave a list. Pepcid was second, and Prilosec OTC was third.
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”
- 1
Tums
- 1
Brands are shown in the order each answer named them. The survey took place in United States on October 27, 2026.
Which heartburn and digestive brands do people search for most?
This chart shows how often people search Google for each heartburn and digestive brand 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 Pepto-Bismol, Pepcid, Prilosec OTC, Tums, 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% |
| Rank | Brand | Share of searches | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 31.1% | 301K | 0% | 0 points | |
| 2, held 2nd | 25.4% | 246K | 0% | 0 points | |
| 3, held 3rd | 13.9% | 135K | 0% | 0 points | |
| 4, held 4th | 13.9% | 135K | 0% | 0 points | |
| 5, held 5th | 9.3% | 90.5K | 0% | 0 points | |
| 6, held 6th | 6.3% | 60.5K | 0% | 0 points |
31.1%
Held 1st. 301K estimated branded searches, 0% vs prior month. Share 0 points.
2.
Pepcid25.4%
Held 2nd. 246K estimated branded searches, 0% vs prior month. Share 0 points.
13.9%
Held 3rd. 135K estimated branded searches, 0% vs prior month. Share 0 points.
4.
Tums13.9%
Held 4th. 135K estimated branded searches, 0% vs prior month. Share 0 points.
5.
Nexium9.3%
Held 5th. 90.5K estimated branded searches, 0% vs prior month. Share 0 points.
6.
Gaviscon6.3%
Held 6th. 60.5K estimated branded searches, 0% vs prior month. Share 0 points.
Which brand is most popular in search among heartburn and digestive brands in the United States?
6 brands
In September 2026, Pepto-Bismol was the most searched among heartburn and digestive brands in the United States, with an estimated 301K branded searches, 31.1% of all searches for the six we track. Pepcid is in 2nd place, 5.7 percentage points behind at 25.4%.
| Brand | Share of searches | Peak | Low | Rank |
|---|---|---|---|---|
| 31.6% → 31.1% | 33.5%Feb 2026 | 26.9%Jun 2026 | 1st | |
| 21.1% → 25.4% | 26.9%Jun 2026 | 21.1%Oct 2025 | 2nd | |
| 17.3% → 13.9% | 17.3%Oct 2025 | 13.9%Apr 2026 | 3rd | |
| 14.2% → 13.9% | 15.8%Nov 2025 | 12.2%Feb 2026 | 4th | |
| 9.5% → 9.3% | 10.6%Nov 2025 | 7.8%Jul 2026 | 5th | |
| 6.3% | 7.9%Dec 2025 | 5.8%Nov 2025 | 6th |
Each finding as a sentence
- Across the 12 months ending September 2026, Pepcid’s share of searches among heartburn and digestive brands in the United States increased from 21.1% to 25.4%.
- Across the 12 months ending September 2026, Prilosec OTC’s share of searches among heartburn and digestive brands in the United States decreased from 17.3% to 13.9%.
- Across the 12 months ending September 2026, Pepto-Bismol’s share of searches among heartburn and digestive brands in the United States peaked at 33.5% in February 2026 and was lowest at 26.9% in June 2026.
- Across the 12 months ending September 2026, Pepcid’s share of searches among heartburn and digestive brands in the United States peaked at 26.9% in June 2026 and was lowest at 21.1% in October 2025.
- Across the 12 months ending September 2026, Prilosec OTC’s share of searches among heartburn and digestive brands in the United States peaked at 17.3% in October 2025 and was lowest at 13.9% in April 2026.
- Across the 12 months ending September 2026, Tums’ share of searches among heartburn and digestive brands in the United States peaked at 15.8% in November 2025 and was lowest at 12.2% in February 2026.
- Across the 12 months ending September 2026, Nexium’s share of searches among heartburn and digestive brands in the United States peaked at 10.6% in November 2025 and was lowest at 7.8% in July 2026.
- Across the 12 months ending September 2026, Gaviscon’s share of searches among heartburn and digestive brands in the United States peaked at 7.9% in December 2025 and was lowest at 5.8% in November 2025.
- Across the 12 months ending September 2026, Pepto-Bismol, Tums, Nexium and Gaviscon held steady: their share of searches among heartburn and digestive brands in the United States each moved less than 0.5 percentage points.
How did search popularity change for United States heartburn and digestive brands in September 2026?
2 changes

Estimated monthly branded searches for Pepcid in the United States rose 22.4% over 12 measured months, from 201K to 246K in September 2026.

Estimated monthly branded searches for Prilosec OTC in the United States fell 18.2% over 12 measured months, from 165K to 135K in September 2026.
How are branded searches counted for heartburn and digestive brands?
6 search terms
Each brand's share of searches among heartburn and digestive 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.
Pepto-Bismol
1 branded search term
- pepto bismol
Pepcid
1 branded search term
- pepcid
Prilosec OTC
1 branded search term
- prilosec
Tums
1 branded search term
- tums
Nexium
1 branded search term
- nexium
Gaviscon
1 branded search term
- gaviscon
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