cryptogenic pulmonary eosinophilia

Last reviewed 01/2018

In this condition pulmonary eosinophilia occurs with no identifiable cause.

Clinical features:

• fever, weight loss, cough and breathlessness
• patients usually non-atopic (but 10% have had previous asthma)

Investigations:

• widespread, mainly peripheral pulmonary infiltrates
• blood eosinophilia

Treatment:

• oral steroids - treated usually maintained for up to 2 years