Blossom snakes are poisonous. There are venom glands that produce toxic secretions, Duchenne's glands and subcutaneous glands, and different venom glands have different toxic effects, such as persistent bleeding, hemolysis, dyspnea, and kidney damage.

The secretion of Dulbecco's glands mainly contains prothrombin activator, proteolytic Enzymes and hemorrhagic active substances, with postsynaptic neurotoxicity direct fibrinolytic components and active ingredients such as PLA2 activity with different strengths.