Nasopharyngitis in children: what to do

Acute nasopharyngitis (ANP) in children is known to everyone as the common cold. It is one of the upper respiratory tract infections that occur most often in children. To evaluate it properly, however, it is necessary to know some key aspects that are fundamental to managing the illness.

Nasopharyngitis in children: causes and transmission

ANP is mainly caused by viruses, in particular rhinoviruses. Other viruses such as adenoviruses, coronaviruses, influenza and parainfluenza viruses, and respiratory syncytial virus can be involved. It is transmitted through the air by droplets of saliva or by direct contact with infected secretions.

Common symptoms

• Rhinorrhea (runny nose), at first serous and then mucopurulent.
• Nasal congestion.
• Cough.
• Sore throat.
• Fever, especially in young children.
• Irritability.
• Feeding difficulties.

Duration and complications

• Symptoms usually last 7 to 10 days, but the cough can persist for 2-3 weeks.
• In infants, nasal congestion can cause breathing difficulties and apnea.
• ANP can predispose to complications such as acute otitis media, sinusitis and lower respiratory tract infections.

Vulnerability in childhood and behavioral factors

Besides an immature immune system, the behavior of young children, such as putting their hands in their mouths, increases the risk of catching infections. In addition, the density of people in places such as daycare centers and preschools makes it easier for the virus to spread. Understanding the behavioral factors that influence transmission is essential to putting effective preventive measures in place.

Environmental and socioeconomic risk factors

Exposure to secondhand smoke, air pollution and poor hygiene conditions at home can increase the risk of ANP. In addition, socioeconomic inequalities can affect access to healthcare and the ability to adopt preventive measures.

Complications

In some cases, nasopharyngitis in children can extend to the lower airways, leading to bronchitis or bronchiolitis. Children with pre-existing respiratory conditions, such as asthma, are particularly vulnerable to complications in the lower airways. Although less common, ANP can be associated with extrapulmonary complications, such as Reye syndrome and post-infectious glomerulonephritis. ANP can significantly affect children’s quality of life, causing missed school days, sleep disturbances and feeding difficulties. The families of affected children can also feel the impact of this situation.

Diagnosis and treatment of nasopharyngitis in children

The differential diagnosis of ANP can be difficult, especially in young children who show nonspecific symptoms. It is essential to rule out other conditions, such as influenza, bronchiolitis and pneumonia. Diagnostic and laboratory tests can be helpful, and they can be carried out at the NefroCenter Group. It is important to avoid overusing medications, such as antibiotics and cough suppressants. Educating parents is essential to promote the informed and responsible use of medications. Some complementary and alternative therapies, such as homeopathy and herbal medicine, are used in the treatment of ANP. However, the effectiveness of these therapies has not been confirmed by rigorous clinical studies.

Epidemiology

The variety of viruses that cause ANP makes it hard to pinpoint a single culprit. In addition, seasonal fluctuations in the spread of viruses influence both the clinical picture and how often ANP episodes occur. It is essential to maintain constant epidemiological surveillance to keep an eye on the circulating viral strains and adapt prevention strategies accordingly.

Pathogenesis: a complex interaction between virus and host

• Innate and adaptive immune response. The innate immune response, which involves epithelial cells and immune cells, is the first line of defense against the virus. The adaptive immune response, on the other hand, mediated by antibodies and T lymphocytes, is essential for clearing the virus and ensuring lasting protection. When the immune response does not work as it should, it can lead to more severe symptoms and increase the risk of complications.
• Role of the upper airway microbiota. The upper airway microbiota plays a crucial role in protection against viral infections. If the microbiota is altered, for example because of the use of antibiotics, susceptibility to ANP can increase.
• Genetic predisposition. Predisposition to ANP can be influenced by genetic factors, such as variations in the genes that code for immune response proteins.

Prevention and research on nasopharyngitis in children

Developing effective vaccines against rhinoviruses and other respiratory viruses is a significant challenge. Immunomodulators, such as interferons, could give the host’s immune response a boost. It is essential to adopt non-pharmacological preventive measures, such as washing hands and keeping social distance, to reduce the spread of ANP. Promoting healthy lifestyles, such as a balanced diet and exercise, can really strengthen the immune system. Research on the upper airway microbiota and its role in the prevention and treatment of ANP is in full swing. Discovering beneficial bacterial strains could pave the way for the development of probiotics to prevent ANP. Personalized medicine, based on the analysis of genetic and environmental factors, could help identify children at risk of severe ANP and tailor prevention and treatment strategies.