Zutectra contains antibodies against the hepatitis B virus which are the body's own defensive substances to protect you from hepatitis B. Hepatitis B is an inflammation of the liver caused by the hepatitis B virus.

Hepatitis B immunoglobulin contains mainly immunoglobulin G (IgG) with a specifically high content of antibodies against hepatitis B virus surface antigen (HBs).

Zutectra is used to prevent re-infection of hepatitis B in adults who have had a liver transplant at least 1 week ago because they had liver failure caused by hepatitis B.

The active substance is human hepatitis B immunoglobulin 500 IU/mL. - Zutectra contains 150 mg/mL of human plasma protein of which at least 96 % is immunoglobulin G (IgG). The maximum immunoglobulin A (IgA) content is 6,000 micrograms/mL.

The other ingredients are glycine and water for injections.

One pre-filled syringe of 1 mL Zutectra contains 500 IU. Zutectra is supplied in a pack size containing 5 pre-filled syringes each in a blister pack.