Eosinophilic disorders include any disease that causes an individual’s eosinophil level to be raised above normal limits in the blood or in certain tissues. While some eosinophilic diseases are common, many other types of eosinophilic disorders are rare or have unknown rates of incidence, such as simple pulmonary eosinophilia or acute eosinophilic pneumonia.
In your practice, which of the following eosinophilic disorders do you typically see most often?