Sources

Drug information, pricing, and pharmacy data on Chemist Prices are built from the primary sources listed below, refreshed on the schedule described in our pricing methodology and data methodology pages.

Primary sources

NHS medicines A-Z - plain-language information on how medicines are used in the UK: indications, dosing, warnings and interactions.

NHSBSA open data - the Prescription Cost Analysis dataset and the NHS Drug Tariff, the pricing baseline behind official price estimates on this site.

MHRA Products - the UK regulator's register of licensed medicines, including product information.

NHS Specialist Pharmacy Service - supply disruption and shortage information used on medicine pages.

UK registers

Pharmacy and prescriber registration is checked against the GPhC and PSNI pharmacy registers and the GMC register; see how we verify sellers for details.