Yes, a complete blood count (CBC) can help detect infection. It measures different types of blood cells, including white blood cells, which are crucial for fighting infections. An elevated white blood cell count can indicate the presence of an infection.
However, it's important to note that a CBC alone doesn't definitively diagnose an infection. Other factors and symptoms must be considered. A CBC is often used as a starting point for further investigations, and other tests may be necessary to confirm a diagnosis.
Here's how a CBC can help detect infection:
- Elevated White Blood Cell Count: A higher than normal white blood cell count can signal the body's response to an infection.
- Abnormal White Blood Cell Types: Different types of white blood cells have specific roles in fighting infections. A CBC can reveal an imbalance in these types, which may suggest a particular type of infection.
While a CBC is a helpful tool, it's not a stand-alone diagnostic test. Other factors, such as symptoms and medical history, are also crucial for determining if an infection is present.