Which otc medicines brands do AI assistants recommend in Vietnam? Q4 2026
In Vietnam, AI assistants most often recommend Panadol, Claritin and Decolgen for otc medicines. Panadol is named by 5 of 5 assistants.
What the data says
Panadol (Haleon) is the otc medicines brand AI assistants recommend most in Vietnam, taking 11.8% of all recommendation points across 5 assistants. Claritin follows with 6.6% and Decolgen is third with 6.2%.
Panadol's lead over Claritin is 5.2 points, a clear advantage in how AI shortlists the category.
ChatGPT, Claude, DeepSeek and Gemini put Panadol first, while Grok favours Traphaco.
The top five brands hold 35% of recommendations out of 59 brands named in total, leaving room for challengers to break into AI shortlists.
| # | Brand | Owner | AI share | ChatGPT | Claude | DeepSeek | Gemini | Grok |
|---|---|---|---|---|---|---|---|---|
| 1 | Panadol | Haleon | 11.8% | 60 | 55 | 55 | 70 | 55 |
| 2 | Claritin | Bayer | 6.6% | 35 | 35 | 35 | 25 | 35 |
| 3 | Decolgen | United Laboratories | 6.2% | 35 | 25 | 45 | 25 | 25 |
| 4 | Blackmores | Blackmores | 5.2% | 35 | 35 | 8 | 12 | 41 |
| 5 | Telfast | Sanofi | 5.2% | 25 | 20 | 25 | 35 | 25 |
| 6 | Smecta | Ipsen | 3.9% | 12 | 20 | 20 | 20 | 25 |
| 7 | Efferalgan | UPSA | 3.6% | 20 | 25 | – | 20 | 25 |
| 8 | Hapacol | DHG Pharma | 3.6% | 45 | 20 | – | 25 | – |
| 9 | Zyrtec | Kenvue | 3.4% | 20 | 25 | 20 | – | 20 |
| 10 | Tiffy | T.Man Pharma | 3.3% | 12 | 35 | 35 | – | – |
| 11 | Traphaco | Traphaco JSC | 2.7% | – | – | – | – | 68 |
| 12 | Eugica | Mega Lifesciences | 2.5% | 8 | 35 | – | 20 | – |
| 13 | Nature's Way | Schwabe Group | 2.4% | – | 25 | – | – | 35 |
| 14 | Strepsils | Reckitt | 2.2% | – | 12 | 8 | – | 35 |
| 15 | Swisse | H&H Group | 1.9% | 20 | 20 | – | 8 | – |
| 16 | Melatonin | Generic | 1.8% | – | – | 25 | – | 20 |
| 17 | Natrol | Aurobindo Pharma | 1.8% | 8 | 12 | – | 25 | – |
| 18 | Enterogermina | Sanofi | 1.7% | 35 | – | 8 | – | – |
| 19 | Berocca | Bayer | 1.4% | – | – | – | – | 35 |
| 20 | Newborn | Mayora | 1.4% | – | – | 35 | – | – |
Questions about AI otc medicines recommendations
- Which otc medicines brand does ChatGPT recommend most in Vietnam?
- ChatGPT recommends Panadol most often for otc medicines in Vietnam. Across all assistants, Panadol leads with 11.8% of recommendations.
- Which otc medicines brand is improving fastest in Vietnam?
- Claritin has the strongest momentum among challengers: AI names it first in 4 of 5 answers where it appears, while holding 6.6% share. This is the first Q4 2026 reading; change over time will be shown from the next update.
- How is the ranking calculated?
- We ask each AI assistant the questions shoppers ask in each category and market, record the top five brands it names, and give 35, 25, 20, 12 and 8 points for positions one to five. Share is a brand's points divided by all points awarded.
OTC Medicines: AI rankings by country
Covers: Allergy Management, Cough & Cold Relief, Digestive Aids, Pain Relief, Sleep Support.
Method: each AI assistant is asked the shopper questions for every segment in the category and market; the top five brands named score 35, 25, 20, 12 and 8 points. Share is a brand's points divided by all points awarded. Rankings reflect AI answers, not sales.
See how your brand ranks in AI answers.
Get a free report: where AI names you, where it leaves you out, and the product page, pack and message fixes that change it.