Unopened vials of NEURONOX should be stored in a freezer (-15 to -5°C or refrigeration 2-8°C). After reconstitution, NEURONOX should be stored in a refrigerator (2-8°C) for up to 24 hours prior to use. For safe disposal, unused vials should be sterilized after melting it with a little amount of water. Equipment used with the drug (such as syringes) should also be sterilized. The residual NEURONOX should be inactivated using dilute hypochlorite solution(0.5%).