Diphacinone Toxicity

Daniel Hu, PharmD, BCCCP Critical Care and Emergency Medicine Pharmacist Providence St. Peter Hospital Diphacinone (2-diphenylacetyl-1,3-indanedione, CAS Number 82-66-6) is an indandione-type anticoagulant.1,2 It falls into a class of compounds known as long-acting anticoagulant rodenticides, along with brodifacoum, bromadiolone, chlorophacinone, and difenacoum, which inhibit the synthesis of clotting factors II, VII, IX, and X. These compounds were developed to replace warfarin in rodenticides and many available mouse and rat baits today contain these superwarfarins.1 Diphacinone [...]