Eosinophils (Absolute)
The absolute eosinophil count is the actual number of eosinophils in a volume of your blood, calculated from your total white cell count and the eosinophil percentage. Eosinophils help fight parasites and drive allergic responses.
The absolute count is the more reliable way to gauge eosinophil activity and is what clinicians use to grade conditions like allergies, asthma, and parasitic infection. It completes the white cell differential picture.
An above-range count (eosinophilia) most often reflects allergic conditions, asthma, drug reactions, or parasitic infections, and less commonly certain inflammatory or blood disorders. Persistent or marked elevations warrant a closer look.
A below-range count is usually not clinically significant and can result from stress or steroid use, which naturally lower eosinophil numbers.
A typical adult absolute eosinophil count runs roughly under 500 cells per microliter. Interpret any result in context with your clinician.
Sources
Educational context only, not medical advice or a diagnosis. Reference ranges vary by lab, age and sex; always discuss your results with a clinician.