User:Mr. Ibrahem/Hepatitis B immune globulin

Hepatitis B immunoglobulin (HBIG) is a medication used to prevent hepatitis B following exposure. This includes in newborns following birth to a women who is hepatitis B positive, following liver transplant in someone with hepatitis B, and following exposure in those who are not immune. It may be given by injection into a vein or muscle. Hepatitis B vaccine may be given at the same time, but at a different site on the body.

Common side effects include pain at the site of injection, headache, nausea, lightheadedness, and fever. Other side effects may include allergic reactions. It can be used in pregnancy when required. It is antibodies directed against hepatitis B surface antigen (anti-HBs).

Hepatitis B immunoglobulin come into medical use in 1974. It is available as a generic medication. In the United Kingdom 500 units costs the NHS about £500 as of 2021. In the United States it costs about 830 USD for 5 ml. It is made from human plasma.