Covonia vs Lemsip:Which is more popular?
In September 2026, Lemsip had more branded searches than Covonia among cold and flu brands in the United Kingdom. Lemsip had about 40,500 branded searches, while Covonia had 8,100. Lemsip made up 19.8% of all cold and flu brand searches we track, and Covonia accounted for 4%. When we asked ChatGPT and Google AI Overviews about cold and flu brands, Lemsip appeared in two of the five answers and Covonia in none.
Who do people search for more?
Lemsip, about 5 searches for every 1 for Covonia
Who does AI mention more?
Lemsip, mentioned in 2 of 5 answers, Covonia in 0
Who does AI recommend more?
Lemsip, the only one of the two named
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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. Covonia did not appear in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Lemsip2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Beechams2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Benylin2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Night Nurse0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Sudafed0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Olbas0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Vicks0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Strepsils0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Covonia0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about cold and flu brands
5 answers
Asked ChatGPT
“What's the best cold and flu medicine in the UK?”
Asked ChatGPT
“What's good for a blocked nose?”
Asked ChatGPT
“What's the best cough medicine for a chesty cough?”
Searched Google, AI Overview
“cold and flu tablets”
Searched Google, AI Overview
“cough medicine”
Brands are shown in the order each answer named them. The survey took place in United Kingdom on October 27, 2026.
Is Covonia or Lemsip more popular in search?
This chart shows how often people search Google for Covonia and Lemsip by name. Each line represents a brand's share of searches for all nine cold and flu brands we track, month by month, from searches in United Kingdom.
Share of searches by month for Lemsip, Covonia. The figures are in the table below the chart.
View monthly share of searches table
| Month | Lemsip | Night Nurse | Sudafed | Olbas | Vicks | Strepsils | Covonia | Beechams | Benylin |
|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 19.4% | 19.4% | 15.9% | 11.4% | 13.2% | 10.6% | 3.9% | 3.2% | 3.2% |
| Nov 2025 | 16.9% | 20.6% | 16.9% | 12.1% | 14% | 9.3% | 4.1% | 2.8% | 3.4% |
| Dec 2025 | 16% | 23.9% | 16% | 11.3% | 12.7% | 8.8% | 4.8% | 2.6% | 3.9% |
| Jan 2026 | 15.2% | 22.8% | 18.6% | 10.9% | 12.2% | 10.2% | 4.6% | 2.5% | 3% |
| Feb 2026 | 16.4% | 20.1% | 20.1% | 11.8% | 13.2% | 9% | 4% | 2.2% | 3.3% |
| Mar 2026 | 14.9% | 18.2% | 22.3% | 12.9% | 11.9% | 10% | 3.6% | 2.4% | 3.6% |
| Apr 2026 | 15.6% | 19.1% | 23.3% | 11.1% | 10.2% | 10.4% | 3.8% | 2.5% | 3.8% |
| May 2026 | 14.3% | 17.6% | 21.4% | 12.5% | 11.9% | 11.7% | 4.3% | 2.8% | 3.5% |
| Jun 2026 | 14.4% | 17.6% | 21.6% | 12.7% | 12% | 11.8% | 3.5% | 2.8% | 3.5% |
| Jul 2026 | 12.9% | 19.3% | 23.6% | 11.3% | 10.6% | 12.9% | 3.8% | 2.6% | 3.1% |
| Aug 2026 | 13.6% | 24.8% | 20.3% | 9.7% | 11.3% | 11.1% | 3.3% | 2.7% | 3.3% |
| Sep 2026 | 19.8% | 19.8% | 16.2% | 11.6% | 11.5% | 10.8% | 4% | 3.2% | 3.2% |
How has the Covonia and Lemsip comparison changed over the last 12 months?
3 findings
- Lemsip was ahead of Covonia in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Covonia’s share of searches among cold and flu brands in the United Kingdom moved from 3.9% to 4%, and its estimated monthly branded searches moved from 9.9K to 8.1K.
- 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.
How did search popularity change for United Kingdom cold and flu brands in September 2026?
2 changes
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, Covonia overtook Benylin to rank 7th among cold and flu brands in the United Kingdom, with 4% of the searches.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Covonia’s and Lemsip’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.
Other head-to-heads among cold and flu brands
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