High Eosinophils Eosinophilia is a disorder in which our body creates an abnormally large number of eosinophils , a type of white blood cells (WBC). These white blood cells are crucial for the immune system's defense against diseases and infections. The eosinophil count can help doctors determine if someone has an underlying medical disease, such as an autoimmune disorder, or whether their body is only battling allergies or an infection. Very rarely, elevated eosinophil levels might be caused ... Eosinophilia is a laboratory finding of high eosinophil count in blood, which can indicate various underlying conditions, such as allergies, infections, asthma, or cancers. Learn about the causes, symptoms, diagnosis, and treatment of eosinophilia and its associated diseases. Eosinophils are a type of white blood cell and part of the immune system. They fight harmful pathogens such as bacteria and parasites, but can also cause inflammation. Curious about dangerously high eosinophil levels? Explore what eosinophils are, what causes them to rise, and what level is considered a medical emergency—all explained in a simple, conversational way.
