Sodium Valproate: Side Effects

Department of Health and Social Care written question – answered at on 16 July 2025.

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Photo of Gavin Williamson Gavin Williamson Conservative, Stone, Great Wyrley and Penkridge

To ask the Secretary of State for Health and Social Care, what data his Department holds on the number of people affected by Valproate.

Photo of Ashley Dalton Ashley Dalton The Parliamentary Under-Secretary for Health and Social Care

Everyone who has been harmed from sodium valproate has our deepest sympathies.

The National Disease Registration Service in NHS England, which collects and quality assures data about people with congenital anomalies and rare diseases across the whole of England, is assessing the feasibility and reliability of better ascertainment of foetal sodium valproate syndrome by linking data in the congenital anomaly register to primary care prescription data. Further information on the National Disease Registration Service is available at the following link:

https://digital.nhs.uk/ndrs

The information requested is not held centrally.

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