Xembify Immune Globulin Subcutaneous, Human – klhw 20% Injection 5 mL **Requires RefrigerationXembify Immune Globulin Subcutaneous, Human klhw 20% Injection 5 mL is a prescription medication used for the treatment of primary immunodeficiency (PI), a group of disorders in which the immune system is not functioning properly. It provides the body with antibodies that help to fight against infections. This medication is made from human plasma and is given as an injection under the skin (subcutaneously). It is also known as a subcutaneous