Common features of common variable immunodeficiency
| Infections | Sinopulmonary infections |
| Bacterial gastroenteritis | |
| Cellulitis/skin abscesses | |
| Bacterial meningitis | |
| Pulmonary disease | Asthma |
| Bronchiectasis | |
| Interstitial lung disease | |
| Gastrointestinal disease | Inflammatory bowel disease |
| Gastrointestinal lymphoma | |
| Bacterial overgrowth | |
| Granulomatous disease | Lungs |
| Lymph nodes | |
| Intestine | |
| Central nervous system | |
| Autoimmunity | Haemolytic anaemia and idiopathic thrombocytopenic purpura |
| Rheumatoid arthritis | |
| Pernicious anaemia | |
| Malignancy | Non-Hodgkin's lymphoma |
| Gastrointestinal cancers | |
| Others | Lymphadenopathy |
| Splenomegaly | |
| Fever/night sweats |