Deaths can be exceptional and probably occur in less than 15 % of all untreated cases ( usually in 2 -- 4 days from complications following blood volume deficit and a disseminated intravascular coagulopathy ) .
Some reports show that severe envenomations have a 52 % mortality rate .
Deaths can be exceptional and probably occur in less than 15 % of all untreated cases ( usually in 2 -- 4 days from complications following blood volume deficit and a disseminated intravascular coagulopathy ) , although some reports show that severe envenomations have a 52 % mortality rate .