Allergies (general)

Two questions people ask, put to Google AI Overviews, Google AI Mode and ChatGPT in November 2026.

Got the NHS facts right

3 of 3

Got the NHS facts right

1 of 1

Got the NHS facts right

1 of 1

Got the NHS facts right

1 of 1

Got the NHS facts rightNovember 2026

AI Overviews 1 of 1

AI Mode 1 of 1

ChatGPT 1 of 1

History starts when there is a second month to compare. November 2026 is the first.

Cited NHS or accredited sources

4 of 5

1 other UK only

Cited NHS or accredited sources

2 of 2

Cited NHS or accredited sources

1 of 2

1 other UK only

Cited NHS or accredited sources

1 of 1

Cited NHS or accredited sourcesNovember 2026

AI Overviews 2 of 2

AI Mode 1 of 2

ChatGPT 1 of 1

History starts when there is a second month to compare. November 2026 is the first.

The questions

Question

The NHS says

AI Overviews

AI Mode

ChatGPT

How many adrenaline auto-injectors should I carry if I have a severe allergy?

Carry 2

Google AI Overviews Matches the NHS

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The NHS says carry 2 auto-injectors

Google AI Mode Matches the NHS

---

The NHS says carry 2 auto-injectors

ChatGPT (logged out) Matches the NHS

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The NHS says carry 2 auto-injectors

Is cetirizine a good tablet for hay fever?

No single NHS line

·

·

·

Matches the NHS

Where the answers came from

Answers, of 5 with sources

NHS websiteNHS4

PubMed CentralUS government1 MedicAlert FoundationUK charity1 National Institute for Health and Care Excellence (NICE)UK government1 GOV.UKUK government1

SuperdrugUK health company1

Where the answers came from

Answers, of 2 with sources

NHS websiteNHS2

PubMed CentralUS government1

SuperdrugUK health company1

Superdrug Online DoctorUK health company1

Where the answers came from

Answers, of 2 with sources

MedicAlert FoundationUK charity1

NHS websiteNHS1

Where the answers came from

Answers, of 1 with sources

National Institute for Health and Care Excellence (NICE)UK government1

NHS websiteNHS1

GOV.UKUK government1