Approved in 2015 for use in N. American pit viper<unk> s.
Similar treatment indications
Given as 10 vials IV
Repeated Q1H as needed for initial control until local signs of<unk>  are not progressing, systemic symptoms are resolved, and coagulation and other laboratory parameters have normalized or are trending toward normal.
4 Vials IV maintenance dosing PRN for recurrence of symptoms.
Longer half life thought to reduce need for readministration and may reduce risk of recurrent subacute coagulopathy and bleeding vs Crofab 
Repeated Q1H as needed for initial control until local signs of<unk>  are not progressing, systemic symptoms are resolved, and coagulation and other laboratory parameters have normalized or are trending toward normal.
Crotaline envenomation
Necrotizing fasciitis
Stonefish envenomation
Cellulitis
Lionfish envenomation
Allergic Reaction
Fire coral envenomation
Hymenoptera stings 