Brandwave

How popular isPrilosec OTC?

In September 2026, people searched for Prilosec OTC by name about 135,000 times in the United States, an 18.2% decrease from the previous year. These searches made up 13.9% of all United States heartburn and digestive brand searches, placing Prilosec OTC third out of six brands. When we asked both ChatGPT and Google AI Overviews about heartburn and digestive brands, Prilosec OTC appeared in three of the five answers and was the third most recommended of the six.

Search and AI answers in September 2026

Prilosec OTC is the third most searched of 6 competitors and the third most recommended in AI answers.

  1. Pepto-BismolShare of searches 31.1%Mentioned in 2 of 5 AI answersPlace in AI recommendations 4th
  2. PepcidShare of searches 25.4%Mentioned in 3 of 5 AI answersPlace in AI recommendations 2nd
  3. Prilosec OTCShare of searches 13.9%Mentioned in 3 of 5 AI answersPlace in AI recommendations 3rd
  4. TumsShare of searches 13.9%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st
  5. 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 three ChatGPT questions and two Google AI Overviews, 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. Prilosec OTC is the third most recommended of the six.

Most recommended by AI

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

  1. Tums1st
  2. Pepcid2nd
  3. Prilosec OTC3rd
  4. Pepto-Bismol4th
  5. Gaviscon5th
  6. 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

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 compete with Prilosec OTC?

Prilosec OTC against heartburn and digestive brands in the United States, by month

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
MonthPepto-BismolPepcidPrilosec OTCTumsNexiumGaviscon
Oct 202531.6%21.1%17.3%14.2%9.5%6.3%
Nov 202528.7%23.5%15.8%15.8%10.6%5.8%
Dec 202532.1%21.5%14.4%14.4%9.7%7.9%
Jan 202631.6%21.1%17.3%14.2%9.5%6.3%
Feb 202633.5%22.4%15%12.2%10.1%6.7%
Mar 202630.2%24.6%16.5%13.5%9.1%6.1%
Apr 202631.1%25.4%13.9%13.9%9.3%6.3%
May 202631.1%25.4%13.9%13.9%9.3%6.3%
Jun 202626.9%26.9%14.8%14.8%9.9%6.6%
Jul 202631.6%25.9%14.2%14.2%7.8%6.4%
Aug 202631.1%25.4%13.9%13.9%9.3%6.3%
Sep 202631.1%25.4%13.9%13.9%9.3%6.3%

  1. 1.Pepto-Bismol

    31.1%

    Held 1st. 301K estimated branded searches, 0% vs prior month. Share 0 points.

  2. 2.Pepcid

    25.4%

    Held 2nd. 246K estimated branded searches, 0% vs prior month. Share 0 points.

  3. 3.Prilosec OTC

    13.9%

    Held 3rd. 135K estimated branded searches, 0% vs prior month. Share 0 points.

  4. 4.Tums

    13.9%

    Held 4th. 135K estimated branded searches, 0% vs prior month. Share 0 points.

  5. 5.Nexium

    9.3%

    Held 5th. 90.5K estimated branded searches, 0% vs prior month. Share 0 points.

  6. 6.Gaviscon

    6.3%

    Held 6th. 60.5K estimated branded searches, 0% vs prior month. Share 0 points.

Compare popularity between Prilosec OTC and its closest rivals

Every comparison with Prilosec OTC

5 comparisons

How has branded search demand for Prilosec OTC changed in the United States over the last 12 months?

3 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for Prilosec OTC in the United States fell from 165K to 135K.
  • 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, 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.

How did search popularity change for United States heartburn and digestive brands in September 2026?

2 changes

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

  2. 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 Prilosec OTC’s branded searches counted?

1 search term

Brandwave collects information about searches that people make online using Prilosec OTC’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.

  • prilosec

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How the Brand Demand Index is measured

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