POISON ALERT: Multiple antidotes are back ordered. See NEWS section for details.

Update on Chelator Shortage

British Anti-Lewisite is the only chelator approved by Health Canada for the treatment of acute lead, mercury, and arsenic poisonings. The Ontario Poison Centre has received updated information regarding the back order of this chelating agent. Earliest date of potential resolution is September 2020. See more about our recommendations below.

Updated BAL shortage recommendations

Special Access Program Sample Documentation