Erythrocytosis (polycythaemia)

Four questions about erythrocytosis (polycythaemia), asked in November 2026.

Got the NHS facts right

9 of 9

Got the NHS facts right

3 of 3

Got the NHS facts right

3 of 3

Got the NHS facts right

3 of 3

Got the NHS facts rightNovember 2026

AI Overviews 3 of 3

AI Mode 3 of 3

ChatGPT 3 of 3

Cited NHS or accredited sources

73%

8 of 11 answers with sources

Cited NHS or accredited sources

2 of 4

Cited NHS or accredited sources

3 of 4

Cited NHS or accredited sources

3 of 3

Cited NHS or accredited sourcesNovember 2026

AI Overviews 2 of 4

AI Mode 3 of 4

ChatGPT 3 of 3

The questions

Question

The NHS says

AI Overviews

AI Mode

ChatGPT

Can I take hydroxycarbamide for polycythaemia vera if I'm trying to get pregnant?

Not if pregnant

Google AI Overviews Matches the NHS

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The NHS says not if pregnant or trying to conceive

Google AI Mode Matches the NHS

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The NHS says not if pregnant or trying to conceive

ChatGPT Matches the NHS

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The NHS says not if pregnant or trying to conceive

Is polycythaemia vera a type of cancer?

Slow-growing

Google AI Overviews Matches the NHS

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The NHS says slow-growing type of blood cancer

Google AI Mode Matches the NHS

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The NHS says slow-growing type of blood cancer

ChatGPT Matches the NHS

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The NHS says slow-growing type of blood cancer

Is polycythaemia vera inherited? Will my children get it?

Genetic change but not usually inherited

Google AI Overviews Matches the NHS

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The NHS says genetic change but not usually inherited

Google AI Mode Matches the NHS

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The NHS says genetic change but not usually inherited

ChatGPT Matches the NHS

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The NHS says genetic change but not usually inherited

What is venesection and how often would I need it for polycythaemia?

No single NHS line

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·

Matches the NHS

Where the answers came from

Answers, of 11 with sources

NHS websiteNHS5

Blood Cancer UKUK charity on the PIF TICK list3 MedlinePlusUS government3 JAMA NetworkUS health website2 Cancer Research UKUK charity on the PIF TICK list2 PubMed CentralUS government2

Where the answers came from

Answers, of 4 with sources

JAMA NetworkUS health website2 American Academy of Family PhysiciansUS website1 Blood Cancer UKUK charity on the PIF TICK list1

PharmaEssentiaTW website1

FacebookForum or social media1 Macmillan Cancer SupportUK charity on the PIF TICK list1

Where the answers came from

Answers, of 4 with sources

NHS websiteNHS1

OOxford Haematology National Study GroupUK university1

PubMed CentralUS government1 Blood Cancer UKUK charity on the PIF TICK list1 Cancer Research UKUK charity on the PIF TICK list1 MedlinePlusUS government1

Where the answers came from

Answers, of 3 with sources

NHS websiteNHS3

PubMed CentralUS government1

QQueen’s University BelfastUK university1

MedlinePlusUS government1

OOnkopediaGerman website1

Blood Cancer UKUK charity on the PIF TICK list1

UK charities for erythrocytosis (polycythaemia) MPN Voice