 LD50/48H  values after intravenous administration have been described for rats (97 mg/kg of body weight) and mice (155.93 mg/kg of body weight).Cystamine inhibits coagulation factor XIa and thrombin, Therefore exhibiting anti-coagulant behavior.Furthermore, cystamine can cause liver damage by elevating cytosolic Ca2+ levels and subsequently activating a cytosolic proteolytic system.