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Simple Eosinophilic Pneumonia

Medically reviewed by Last updated on May 6, 2024.

What is simple eosinophilic pneumonia (SEP)?

SEP is caused by lung inflammation. Eosinophils are white blood cells that help your body fight disease such as a parasite infection. The eosinophils collect in your lungs and irritate your lung tissues. This makes your lungs inflamed and swollen. SEP is also called Loffler syndrome or pulmonary eosinophilia.

The Lungs

What causes or increases my risk for SEP?

The cause may not be known. Your risk may be increased if you have asthma or cystic fibrosis. SEP may be caused by any of the following:

What are the signs and symptoms of SEP?

How is SEP diagnosed?

Your healthcare provider will examine you and ask about your signs and symptoms. He or she will also ask about any medical conditions you have. Tell the provider about any medicines you take now or have taken in the past. You may need any of the following:

How is SEP treated?

Treatment will depend on the cause of your pneumonia. SEP may go away on its own within a few weeks. You may be given steroid medicine to decrease lung inflammation. You may need medicine to treat an infection caused by parasites. You may need to stop taking any medicine that could have caused your pneumonia.

What can I do to manage SEP?

When should I seek immediate care?

When should I call my doctor?

Care Agreement

You have the right to help plan your care. Learn about your health condition and how it may be treated. Discuss treatment options with your healthcare providers to decide what care you want to receive. You always have the right to refuse treatment. The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

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