Pediatric Respiratory Syncytial Virus (RSV)

The most common cause of bronchiolitis in infants worldwide.

Written by: Saygı Hospital Health Guide Editorial Board

Last updated: June 10, 2026

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

References (5)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Çocuk Sağlığı ve Hastalıkları department. Book Appointment →

What is Pediatric Respiratory Syncytial Virus (RSV)?

Respiratory syncytial virus RSV is the most common cause of bronchiolitis and lower respiratory tract infections in infants worldwide.

It is most prevalent in fall and winter months and is highly contagious among children younger than 2 years.

Recently developed monoclonal antibodies such as nirsevimab and maternal vaccines provide effective protection.

Symptoms

Cold-like symptoms initially: runny nose, cough

Wheezing and difficulty breathing

Tachypnea and chest retractions

Decreased feeding and irritability

Apnea episodes in infants younger than 3 months

Risk Factors

Premature birth and chronic lung disease

Congenital heart disease

Immunocompromise

Daycare and large family environment

Tobacco smoke exposure

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

Severe respiratory distress with chest retractions or cyanosis — urgent
Decreased oral intake and signs of dehydration
Apnea episode in an infant younger than 3 months — urgent
Persistent high fever and lethargy

Treatment Methods

Supportive care: hydration, suction and humidification

Hospitalization and oxygen therapy when oxygen saturation falls below 92 percent

Mechanical ventilation in severe cases

Nirsevimab as a single-dose antibody for prevention in infants

Hand hygiene and isolation precautions

Which Department to Visit?

You can visit our Çocuk Sağlığı ve Hastalıkları department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

Learn About Çocuk Sağlığı ve Hastalıkları Department

Let us help you

You can make an appointment with our specialists or contact us for your concerns.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.