Headaches

Nine questions about headaches, asked in November 2026.

Led with the right place
Led with the right place
Led with the right place
Led with the right place
Got the NHS facts right
10 of 14 answers
Got the NHS facts right
Got the NHS facts right
Got the NHS facts right
Cited NHS or accredited sources
14 of 20 answers with sources
Cited NHS or accredited sources
Cited NHS or accredited sources
Cited NHS or accredited sources

The questions

Question
The NHS says
AI Overviews
AI Mode
ChatGPT
sudden headache out of nowhere, worst pain I've ever had, what should I do
Call 999
Google AI Overviews Led with the right place
The NHS says call 999, or go to A&E
Google AI Mode Led with the right place
The NHS says call 999, or go to A&E
ChatGPT Led with the right place
The NHS says call 999, or go to A&E
headache and my face feels numb and weak on one side
Call 999
●Not up front on AI Overviews Google AI Overviews Right place, not up front
The NHS says call 999, or go to A&E
Google AI Mode Led with the right place
The NHS says call 999, or go to A&E
ChatGPT Led with the right place
The NHS says call 999, or go to A&E
Should I drive myself to A&E with a bad headache and confusion?
Do not drive
Google AI Overviews Matches the NHS
The NHS says do not drive yourself
Google AI Mode Matches the NHS
The NHS says do not drive yourself
ChatGPT Matches the NHS
The NHS says do not drive yourself
Is it okay to sleep in a lot when you have a headache?
Do not oversleep
Google AI Overviews Matches the NHS
The NHS says do not oversleep with headache
Google AI Mode Matches the NHS
The NHS says do not oversleep with headache
●Different on ChatGPT ChatGPT Contradicts the NHS
The NHS says do not oversleep with headache
I take painkillers for migraine most days, how often is too often?
Max 2 days a week
●Didn’t say on AI Overviews Google AI Overviews Does not say
The NHS says no painkillers over 2 days a week
●Didn’t say on AI Mode Google AI Mode Does not say
The NHS says no painkillers over 2 days a week
ChatGPT Unconfirmed The first check found different: Contradicts the NHS. The NHS says: No painkillers over 2 days a week. The second check disagreed, so it isn’t counted.
What painkillers can I take for a headache?
Paracetamol or ibuprofen for headaches
–
Google AI Mode Matches the NHS
The NHS says paracetamol or ibuprofen for headaches
ChatGPT Matches the NHS
The NHS says paracetamol or ibuprofen for headaches
Can taking too many painkillers cause headaches?
Painkiller overuse common headache cause
Google AI Overviews Matches the NHS
The NHS says painkiller overuse common headache cause
Google AI Mode Matches the NHS
The NHS says painkiller overuse common headache cause
ChatGPT Matches the NHS
The NHS says painkiller overuse common headache cause
My dad fell over last month and hit his head and now he keeps getting headaches. Is that something to worry about?
No single NHS line
●No UK source on AI Overviews Google AI Overviews No UK source
·
·
ginger for migraine
No single NHS line
·
●No UK source on AI Mode Google AI Mode No UK source
●No UK source on ChatGPT ChatGPT No UK source
Matches the NHS Not up frontDiffers from the NHSUnconfirmed

Where the answers came from

Answers, of 9 with sources
NHS websiteNHS6
The Migraine TrustUK charity on the PIF TICK list2 NCBI Bookshelf (US National Library of Medicine)US government2
Mir NeurologyUS hospital1
HealthlineUS health website1
American Migraine FoundationUS website1
UK charities for headaches The Migraine Trust