Nexium vs Rennie:Which is searched more?
In September 2026, Nexium had more branded searches than Rennie among heartburn and indigestion brands worldwide. Nexium was estimated to have 368K branded searches compared to Rennie’s 110K, and held a 20.8% Share of Search versus Rennie’s 6.2%. These are worldwide searches for English-language branded terms.
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Which is more popular in search, Nexium or Rennie?
Compare the heartburn, reflux and indigestion relief brands people buy. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of Search by month for Nexium, Rennie. The figures are in the table below the chart.
View monthly share of search table
| Month | Gaviscon | Nexium | Eno | Mylanta | Rennie |
|---|---|---|---|---|---|
| Oct 2025 | 43.9% | 24% | 16.1% | 8.8% | 7.2% |
| Nov 2025 | 43.9% | 24% | 16.1% | 8.8% | 7.2% |
| Dec 2025 | 42.4% | 23.2% | 19% | 8.5% | 7% |
| Jan 2026 | 43.9% | 24% | 16.1% | 8.8% | 7.2% |
| Feb 2026 | 45.9% | 20.5% | 16.8% | 9.2% | 7.5% |
| Mar 2026 | 43.9% | 24% | 16.1% | 8.8% | 7.2% |
| Apr 2026 | 44.5% | 24.3% | 16.3% | 8.9% | 5.9% |
| May 2026 | 46.6% | 20.8% | 17% | 9.3% | 6.2% |
| Jun 2026 | 46.6% | 20.8% | 17% | 9.3% | 6.2% |
| Jul 2026 | 46.6% | 20.8% | 17% | 9.3% | 6.2% |
| Aug 2026 | 46.6% | 20.8% | 17% | 9.3% | 6.2% |
| Sep 2026 | 46.6% | 20.8% | 17% | 9.3% | 6.2% |
How has the Nexium and Rennie comparison changed over the last 12 months?
3 findings
- Nexium was ahead of Rennie in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Nexium’s estimated Share of Search among heartburn and indigestion brands worldwide moved from 24% to 20.8%, and its estimated monthly branded searches moved from 450K to 368K.
- Across the 12 months ending September 2026, Rennie’s estimated Share of Search among heartburn and indigestion brands worldwide moved from 7.2% to 6.2%, and its estimated monthly branded searches moved from 135K to 110K.
How did search popularity change for heartburn and indigestion brands worldwide in September 2026?
2 changes
Other head-to-heads among heartburn and indigestion brands
How each brand is measured
Brandwave collects information about searches that people make online using Nexium’s and Rennie’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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