A low lymphocyte count alone may not cause any signs or symptoms. The condition usually is found when a person is tested for other diseases or conditions, such as AIDS.
If you have unusual infections, repeat infections, and/or infections that won't go away, your doctor may suspect that you have lymphocytopenia. Fever is the most common symptom of infection.
The NHLBI updates Health Topics articles on a biennial cycle based on a thorough review of research findings and new literature. The articles also are updated as needed if important new research is published. The date on each Health Topics article reflects when the content was originally posted or last revised.