Prilosec OTC vs Tums:Which is more popular?
In September 2026, Prilosec OTC and Tums were level in searches among heartburn and digestive brands in the United States, with an estimated 135K branded searches each, at 13.9% of the total each. When we asked ChatGPT and Google AI Overviews about heartburn and digestive brands, Tums appeared in all five answers and Prilosec OTC in three. Tums was mentioned before Prilosec OTC in every answer.
Who do people search for more?
Prilosec OTC and Tums are searched for about as often as each other.
Who does AI mention more?
Tums, mentioned in every answer we collected
Who does AI recommend more?
Tums, named ahead of Prilosec OTC in every answer
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Top heartburn and digestive brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Tums appeared in all five answers. Prilosec OTC was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Tums was listed before Prilosec OTC in every answer.
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 Prilosec OTC or Tums more popular in search?
This chart shows how often people search Google for Prilosec OTC and Tums 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 Prilosec OTC, Tums. 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 Prilosec OTC and Tums comparison changed over the last 12 months?
3 findings
- Prilosec OTC was ahead of Tums in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Prilosec OTC’s share of searches among heartburn and digestive brands in the United States moved from 17.3% to 13.9%, and its estimated monthly branded searches moved from 165K to 135K.
- Across the 12 months ending September 2026, Tums’ share of searches among heartburn and digestive brands in the United States moved from 14.2% to 13.9%, and its estimated monthly branded searches held steady at 135K.
How did search popularity change for United States heartburn and digestive brands in September 2026?
1 change
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?
2 search terms
Brandwave collects information about searches that people make online using Prilosec OTC’s and Tums’ 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.
Prilosec OTC
1 branded search term
- prilosec
Tums
1 branded search term
- tums
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