Symptoms vary depending on the type of infection. Cold-like symptoms consisting of a runny nose and mild cough are common. Life-threatening respiratory symptoms can be seen in young infants with bronchiolitis and those with weakened immune systems.

In general, symptoms may include:

• Chest pain
• Cough
• Croup
• Fever
• Runny nose
• Shortness of breath
• Sore throat
• Stuffy nose
• Wheezing

A physical exam may show sinus tenderness, swollen glands, and a red throat. The doctor will listen to the lungs and chest with a stethoscope. Abnormal sounds, such as crackling or wheezing, may be heard.

Tests that may be done include:

• Arterial blood gases
• Chest x-ray
• CT scan of the chest
• Complete blood count (CBC)
• Swab of nose for rapid viral test

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Parainfluenza Overview

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Parainfluenza Treatment

Review Date: 09/17/2010
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; Denis Hadjiliadis, MD, Assistant Professor of Medicine, Division of Pulmonary, Allergy and Critical Care, University of Pennsylvania, Philadelphia, PA. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)