Among the presentation consistent with<unk>  are the following: Pneumocystis pneumonia * Infection/Pneumocystis pneumonia (PCP), which is common in infants with<unk> , is a serious illness. PCP is one of the most frequent and severe opportunistic infections in people with weakened immune systems. Many CD40 Ligand Deficiency are first diagnosed after having PCP in their first year of life. The fungus is common and is present in over 70% of healthy people's lungs, however, Hyper IgM patients are not able to fight it off without the administration of Bactrim) * Hepatitis (Hepatitis C) * Chronic diarrhea * Hypothyroidism * Neutropenia * Arthritis * Encephalopathy (degenerative)
Hyper IgM syndrome
Hyper-IgM syndrome type 5
Hyper-IgM syndrome type 2
Hyper-IgM syndrome type 3
Hyper-IgM syndrome type 4
Hyper-IgM syndrome type 1
Anti-IgLON5 disease
Common variable immunodeficiency