What are the treatment for cvid?

IVIG, . Antibiotics at first sign of an infection and environmental control.
CVID. Are you sure you have the disease? If not get to an immunologist asap for diagnosis and/or testing! there is a lot of treatment options including just following the disease, daily or prophylactic antibiotic therapy, and the last option is to receive immunoglobulin replacement therapy through infusion of IV or subcutaneous form at home. Please please please see an immunologist!