--- title: "Lemsip vs Sudafed: Which is searched more in the United Kingdom?" description: "Is Lemsip or Sudafed more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Cold and flu brands set in the United Kingdom. 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." canonical: "https://gobrandwave.com/demand/uk/compare/lemsip-vs-sudafed" publisher: "Brandwave" --- # Lemsip vs Sudafed: Which is searched more in the United Kingdom? Is Lemsip or Sudafed more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Cold and flu brands set in the United Kingdom. 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. ## Key facts - **Compared**: Lemsip and Sudafed - **Competitive set**: Cold and flu brands - **Market**: United Kingdom - **Month measured**: Sep 2026 - **Lemsip Share of Search**: 19.8% - **Sudafed Share of Search**: 16.2% ## Is Lemsip or Sudafed more popular in search? - In September 2026, Lemsip had more branded searches than Sudafed among cold and flu brands in the United Kingdom. Lemsip had about 40,500 branded searches, while Sudafed had 33,100. Lemsip made up 19.8% of all cold and flu brand searches we track, and Sudafed accounted for 16.2%. - The lead changed hands 2 times in the 12 months ending September 2026: Sudafed took it in January 2026, Lemsip took it in September 2026. - Across the 12 months ending September 2026, Lemsip’s share of searches among cold and flu brands in the United Kingdom moved from 19.4% to 19.8%, and its estimated monthly branded searches moved from 49.5K to 40.5K. - Across the 12 months ending September 2026, Sudafed’s share of searches among cold and flu brands in the United Kingdom moved from 15.9% to 16.2%, and its estimated monthly branded searches moved from 40.5K to 33.1K. ## Top cold and flu brands in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Lemsip was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Sudafed did not appear in any of the five answers. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | Lemsip | 1st | 1 of 3 | 1 of 2 | 2 of 5 | | Beechams | 2nd | 1 of 3 | 1 of 2 | 2 of 5 | | Benylin | 3rd | 0 of 3 | 2 of 2 | 2 of 5 | | Night Nurse | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Sudafed | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Olbas | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Vicks | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Strepsils | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Covonia | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about cold and flu brands - Asked ChatGPT "What's the best cold and flu medicine in the UK?": 1. Lemsip, 2. Beechams - Asked ChatGPT "What's good for a blocked nose?": named none of the brands we track - Asked ChatGPT "What's the best cough medicine for a chesty cough?": named none of the brands we track - Searched Google, AI Overview "cold and flu tablets": 1. Benylin, 2. Beechams, 3. Lemsip - Searched Google, AI Overview "cough medicine": 1. Benylin Not named in any answer: Night Nurse, Sudafed, Olbas, Vicks, Strepsils and Covonia. Brands are listed in the order each answer named them. The answers were collected in United Kingdom on October 27, 2026. ## How did search popularity change for United Kingdom cold and flu brands in September 2026? - In September 2026, Lemsip overtook Night Nurse and Sudafed to become the leader among cold and flu brands in the United Kingdom, with 19.8% of the searches. - In September 2026, Sudafed lost share of searches among cold and flu brands in the United Kingdom, from 20.3% to 16.2%. ## Month by month | Month | Lemsip estimated searches | Lemsip Share of Search | Lemsip rank | Sudafed estimated searches | Sudafed Share of Search | Sudafed rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 49.5K | 19.4% | 1 | 40.5K | 15.9% | 3 | | Nov 2025 | 40.5K | 16.9% | 2 | 40.5K | 16.9% | 3 | | Dec 2025 | 49.5K | 16% | 2 | 49.5K | 16% | 3 | | Jan 2026 | 40.5K | 15.2% | 3 | 49.5K | 18.6% | 2 | | Feb 2026 | 33.1K | 16.4% | 3 | 40.5K | 20.1% | 2 | | Mar 2026 | 27.1K | 14.9% | 3 | 40.5K | 22.3% | 1 | | Apr 2026 | 22.2K | 15.6% | 3 | 33.1K | 23.3% | 1 | | May 2026 | 18.1K | 14.3% | 3 | 27.1K | 21.4% | 1 | | Jun 2026 | 14.8K | 14.4% | 3 | 22.2K | 21.6% | 1 | | Jul 2026 | 12.1K | 12.9% | 3 | 22.2K | 23.6% | 1 | | Aug 2026 | 14.8K | 13.6% | 3 | 22.2K | 20.3% | 2 | | Sep 2026 | 40.5K | 19.8% | 1 | 33.1K | 16.2% | 3 | ## How each brand is measured Brandwave collects information about searches that people make online using Lemsip’s and Sudafed’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. - **Lemsip**: Measured on the search term “lemsip”. - **Sudafed**: Measured on the search term “sudafed”. - [Lemsip profile](/demand/uk/brands/lemsip) - [Sudafed profile](/demand/uk/brands/sudafed) - [All cold and flu brands in the United Kingdom](/demand/uk/categories/uk-cold-and-flu-brands): The set both shares are measured inside, 9 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is Lemsip or Sudafed more popular in search? In September 2026, Lemsip had more branded searches than Sudafed among cold and flu brands in the United Kingdom. Lemsip had about 40,500 branded searches, while Sudafed had 33,100. Lemsip made up 19.8% of all cold and flu brand searches we track, and Sudafed accounted for 16.2%. ## Cite this page Brandwave. "Lemsip vs Sudafed: Which is searched more in the United Kingdom?". https://gobrandwave.com/demand/uk/compare/lemsip-vs-sudafed This page is also available as HTML at https://gobrandwave.com/demand/uk/compare/lemsip-vs-sudafed. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.