What Causes Excess Eosinophils?

What Causes Excess Eosinophils? Having a high number of eosinophils, a specific type of white blood cell, is called eosinophilia. It can be caused by common things like nasal allergy or more serious conditions, such as cancer. It is discovered by blood testing. What is the symptoms of high eosinophils? Rash. Itching. Diarrhea, in the