What can you not do with immunodeficiency? the difference with a normal immune system and having immunodeficiency. like everyday stuff?

Unclear question: There are many kinds of immunodeficiencies, so we need to know exactly what is the type and the cause of your immunodeficiency. It can be low level of immune cells(lymphocytes) like in HIV infections or it can be low level of immunoglobulins. You can do most anything and everything unless it is a total failure of the immune system which is extremely rare(it is called combined immunodeficiency...Of.