A sterile syringe free of preservatives, antiseptics, and detergents should be used for each injection and/or reconstitution of VARIVAX (Refrigerated) because these substances may inactivate the vaccine virus.
It is important to use a separate sterile syringe and needle for each patient to prevent transmission of infectious agents from one individual to another.
To reconstitute the vaccine, use only the diluent supplied (Sterile Diluent for Merck, Sharp, & Dohme Live Virus Vaccines), since it is free of preservatives or other anti-viral substances which might inactivate the vaccine virus.
Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit. VARIVAX (Refrigerated) when reconstituted is a clear, colorless to pale yellow liquid.