--- title: "Difflam vs Sudafed: Which is searched more in New Zealand?" description: "Is Difflam or Sudafed more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Cold and flu brands set in New Zealand. 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/nz/compare/difflam-vs-sudafed" publisher: "Brandwave" --- # Difflam vs Sudafed: Which is searched more in New Zealand? Is Difflam or Sudafed more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Cold and flu brands set in New Zealand. 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**: Difflam and Sudafed - **Competitive set**: Cold and flu brands - **Market**: New Zealand - **Month measured**: Sep 2026 - **Difflam Share of Search**: 18.6% - **Sudafed Share of Search**: 18.9% ## Is Difflam or Sudafed more popular in search? - In September 2026, Difflam and Sudafed were level in searches among cold and flu brands in New Zealand, with an estimated 5K versus 5.1K branded searches, at 18.6% and 18.9% of the total. - Sudafed was ahead of Difflam in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, Difflam’s share of searches among cold and flu brands in New Zealand moved from 16.7% to 18.6%, and its estimated monthly branded searches moved from 2.9K to 5K. - Across the 12 months ending September 2026, Sudafed’s share of searches among cold and flu brands in New Zealand moved from 23.6% to 18.9%, and its estimated monthly branded searches moved from 4K to 5.1K. ## Top cold and flu brands in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Sudafed was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Difflam 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 | | --- | --- | --- | --- | --- | | Codral | 1st | 2 of 3 | 1 of 2 | 3 of 5 | | Lemsip | 2nd | 2 of 3 | 0 of 2 | 2 of 5 | | Demazin | 3rd | 0 of 3 | 1 of 2 | 1 of 5 | | Sudafed | 4th | 2 of 3 | 0 of 2 | 2 of 5 | | Difflam | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Strepsils | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Vicks | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Coldrex | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about cold and flu brands - Asked ChatGPT "Which cold and flu brand should I buy in New Zealand?": 1. Lemsip, 2. Codral - Asked ChatGPT "What are the best cold and flu brands in New Zealand?": 1. Codral, 2. Lemsip, 3. Sudafed - Asked ChatGPT "What's the best cold and flu brand in New Zealand for blocked nose?": 1. Sudafed - Searched Google, AI Overview "cold and flu medicine": 1. Codral, 2. Demazin - Searched Google, AI Overview "sore throat relief": named none of the brands we track Not named in any answer: Difflam, Strepsils, Vicks and Coldrex. Brands are listed in the order each answer named them. The answers were collected in New Zealand on October 20, 2026. ## How did search popularity change for New Zealand cold and flu brands in September 2026? - In September 2026, Difflam overtook Codral and 3 others to rank 2nd among cold and flu brands in New Zealand, with 18.6% of the searches. - Estimated monthly branded searches for Sudafed in New Zealand rose 26.4% over 12 measured months, from 4K to 5.1K in September 2026. ## Month by month | Month | Difflam estimated searches | Difflam Share of Search | Difflam rank | Sudafed estimated searches | Sudafed Share of Search | Sudafed rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 2.9K | 16.7% | 2 | 4K | 23.6% | 1 | | Nov 2025 | 2.4K | 19.1% | 2 | 2.8K | 21.8% | 1 | | Dec 2025 | 2.5K | 20.3% | 2 | 2.6K | 21.7% | 1 | | Jan 2026 | 1.9K | 18.4% | 2 | 2.2K | 21.5% | 1 | | Feb 2026 | 2K | 15.7% | 3 | 2.7K | 20.7% | 1 | | Mar 2026 | 3K | 15.3% | 5 | 4.1K | 21% | 1 | | Apr 2026 | 2.5K | 15.8% | 3 | 3.4K | 21.4% | 1 | | May 2026 | 3.2K | 13.4% | 6 | 5K | 21.2% | 1 | | Jun 2026 | 3.5K | 14.3% | 4 | 5K | 20.4% | 1 | | Jul 2026 | 4.5K | 14.6% | 4 | 6.3K | 20.3% | 1 | | Aug 2026 | 5.6K | 13.7% | 6 | 7.6K | 18.6% | 1 | | Sep 2026 | 5K | 18.6% | 2 | 5.1K | 18.9% | 1 | ## How each brand is measured Brandwave collects information about searches that people make online using Difflam’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. - **Difflam**: Measured on the search terms “benzydamine difflam”, “difflam”, “difflam gargle”, “difflam mouth gel”, “difflam mouth rinse”, “difflam mouthwash”, “difflam oral rinse”, “difflam plus”, “difflam spray”, “difflam throat lozenges”, “difflam throat spray” and “difflamplus”, summed into one figure. - **Sudafed**: Measured on the search terms “sudafed”, “sudafed cough”, “sudafed day night”, “sudafed lozenges”, “sudafed night”, “sudafed pe”, “sudafed pseudoephedrine”, “sudafed sinus” and “sudafed tablets”, summed into one figure. - [Difflam profile](/demand/nz/brands/difflam) - [Sudafed profile](/demand/nz/brands/sudafed) - [All cold and flu brands in New Zealand](/demand/nz/categories/nz-cold-and-flu-brands): The set both shares are measured inside, 8 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 Difflam or Sudafed more popular in search? In September 2026, Difflam and Sudafed were level in searches among cold and flu brands in New Zealand, with an estimated 5K versus 5.1K branded searches, at 18.6% and 18.9% of the total. ## Cite this page Brandwave. "Difflam vs Sudafed: Which is searched more in New Zealand?". https://gobrandwave.com/demand/nz/compare/difflam-vs-sudafed This page is also available as HTML at https://gobrandwave.com/demand/nz/compare/difflam-vs-sudafed. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.