An abnormal RBC test result is often the first sign of an illness.
The test requires a simple blood sample.
However, keep in mind that other factors can influence normal results.
Verywell Health
A low RBC count can indicate a serious problem, but not always.
Anemia due to low red blood cell counts can cause fatigue.
Other symptoms include:
If left untreated, anemia can lead to life-threatening complications.
Various infections, nutritional deficiencies, and medical conditions may cause anemia.
Some of these include:
A low RBC count isn’t always serious.
For example, take yourthyroid medicationsas prescribed if you have thyroid problems.
There are several types of RBC disorders, though, and a range of causes that lead to symptoms.
Your healthcare provider will monitor your RBC count and treat any underlying causes.
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