What is an alarming level of eosinophils?

Alarming levels of eosinophils vary depending on the reference range used by the laboratory and the individual's overall health. Generally, a significantly elevated eosinophil count above the upper limit of the normal range (often 500 eosinophils per microliter of blood) may be considered alarming. However, it's important to interpret the results in the context of the individual's symptoms, medical history, and any other abnormalities in blood tests. A healthcare professional can provide a more accurate assessment and determine if further evaluation or intervention is necessary based on the specific circumstances.