Brandwave

Cold and flu brands in the United Kingdom:Which are most popular?

Lemsip and Night Nurse tie for the highest share of searches among cold and flu brands in the United Kingdom, at 19.8% each in September 2026. When we checked with ChatGPT and Google AI Overviews, Lemsip, Beechams and Benylin were mentioned most often, in two of the five answers. Lemsip was recommended most often, coming first in one out of two responses that gave a list.

Search and AI answers in September 2026
  1. LemsipShare of searches 19.8%Mentioned in 2 of 5 AI answersPlace in AI recommendations 1st
  2. Night NurseShare of searches 19.8%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
  3. SudafedShare of searches 16.2%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
  4. OlbasShare of searches 11.6%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
  5. VicksShare of searches 11.5%Mentioned in 0 of 5 AI answersPlace in AI recommendations –

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Top cold and flu brands in ChatGPT and Google AI Overviews

In Brandwave's three ChatGPT questions and two Google AI Overviews, Lemsip, Beechams and Benylin were mentioned most often, in two of the five answers. Lemsip was recommended most often, coming first in one out of two answers that gave a list. Beechams was second, and Benylin was third. Night Nurse, which ranked second in searches, was not mentioned at all.

Most recommended by AI

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

  1. Lemsip1st
  2. Beechams2nd
  3. Benylin3rd
  4. Night Nurse–
  5. Sudafed–
  6. Olbas–
  7. Vicks–
  8. Strepsils–
  9. Covonia–

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?”

    1. 1Lemsip
    2. 2Beechams
  • Asked ChatGPT

    “What's good for a blocked nose?”

    1. Asked ChatGPT

      “What's the best cough medicine for a chesty cough?”

      1. Searched Google, AI Overview

        “cold and flu tablets”

        1. 1Benylin
        2. 2Beechams
        3. 3Lemsip
      2. Searched Google, AI Overview

        “cough medicine”

        1. 1Benylin

      Brands are shown in the order each answer named them. The survey took place in United Kingdom on October 27, 2026.

      How the Brand Demand Index is measured

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      Brandwave tracks your branded demand next to your campaigns, spend and outcomes, so you can see what moved your numbers, not just that they moved.