Common Variable Immunodeficiency Support Group
Common variable immunodeficiency (CVID) is a group of 20-30 primary immunodeficiencies (PIDs) which have a common set of symptoms but with different underlying causes. CVID's underlying causes are different, but the result of these are that the body doesn't produce sufficient antibodies in response to exposure to pathogens.
are you hydrating - you might ask them to run a bag of saline or D5W along with your infusion,
have you tried slowing the speed of your infusion?
have you tried staying in Allegra and Tylenol for a few days after your infusion just as a prophylactic measure?
Some or all of there might help . . they have with other patients I personally know