Skip to main content
. 2023 Jun 6;46(7):625–636. doi: 10.1007/s40264-023-01302-7
Underreporting is the major limitation of the voluntary reporting system of adverse drug reactions (ADRs).
Our 2009 systematic review showed the knowledge and attitudes of health professionals were strongly related with underreporting of ADRs.
This present systematic review shows, nowadays, knowledge and attitudes continue to be the main determinants of underreporting, even though they are easily modifiable factors.