<<Disclaimer: Verify this information before applying it to your situation.>> I searched the archieves for any info on immunoglobulins. My 6 year old celiac daughter has been having problems recently with stomachaches and diarrhea again, even though her IgA level is negative. Her doctor is doing a blood test to check her a,e,g,and m immunogobulins. Does anyone know anything about this? I'd appreciate any information. Thanks, Karen