In order to reduce fatal self-poisoning legislation was introduced in the UK in 1998 to restrict pack sizes of paracetamol sold in pharmacies (maximum 32 tablets) and non-pharmacy outlets (maximum 16 tablets), and in Ireland in 2001, but with smaller maximum pack sizes (24 and 12 tablets). Our aim was to determine whether this resulted in smaller overdoses of paracetamol in Ireland compared with the UK.
Hawton, K., Bergen, H., Simkin, S., Arensman, E., Corcoran, P., Cooper, J., Waters, K., Gunnell, D., & Kapur, N. (2011). Impact of different pack sizes of paracetamol in the United Kingdom and Ireland on intentional overdoses: a comparative study. BMC Public Health, 11, 460. https://doi.org/10.1186/1471-2458-11-460