William Withering Created 2026-10-31 Updated 2026-11-05
A physician who systematically recorded effects and toxic responses during the use of foxglove preparations. Relating dose, patient condition and observed response helped distinguish a drug’s useful action from its harmful effects.[ref]
Figure 1.
Portrait of William Withering
. Wellcome Collection reproduction via Wikimedia Commons; attribution to Wellcome Library, London. Licensed CC BY 4.0 as recorded by the linked file record. Source.