Immunodeficiency
Immunodeficiency refers to a state where the body's immune system is weakened or absent, making it less effective at fighting off infectious diseases and other harmful invaders. This compromised defense mechanism significantly increases an individual's susceptibility to recurrent, severe, or unusual infections, and can lead to various health complications.
Common Symptoms
- Recurrent or unusually severe infections (e.g., pneumonia, bronchitis, sinus infections)
- Persistent infections that are difficult to treat or require prolonged antibiotic courses
- Failure to thrive or slow growth in children
- Increased susceptibility to autoimmune diseases or chronic inflammation
Clinical Sources
Diagnostic Lab Tests
Tests commonly used to diagnose or monitor Immunodeficiency:
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