Vitrase (hyaluronidase for injection) is the first and only pure, preservative-free, thimerosal-free, ovine hyaluronidase. 

Vitrase is indicated as an adjuvant to increase the absorption and dispersion of other injected drugs; for hypodermoclysis; and as an adjunct in subcutaneous urography for improving resorption of radiopaque agents.

Vitrase is the only hyaluronidase preparation approved by the U.S. Food and Drug Administration for uses at concentrations >150 USP units/mL. 

Vitrase is available in 200 USP Units/mL vials in sterile solution. It is only available in a 2 pack.