Bronchiolitis is a common lung infection in young individuals, affecting the lower respiratory tract and presenting with signs of mild to moderate respiratory distress. Risk factors for severe disease include age less than 12 weeks, a history of prematurity, underlying cardiopulmonary disease, or immunodeficiency. All young children are at risk for bronchiolitis, which can spread easily through droplets in the air from coughing, sneezing, and talking.
Diagnosis involves a child’s health care provider detecting the symptoms and listening to their lungs with a stethoscope. In rare cases, bronchiolitis may be caused by bacteria. Infants who are very young, born early, have lung or heart disease, or have difficulty fighting infections are at higher risk. The Early Life (RBEL) prospective cohort study found a correlation between wheezing secondary to respiratory syncytial virus (RSV) bronchiolitis and future development of early-onset asthma in children.
Adults can also get bronchiolitis, but it is rare. Children may be more at risk of developing severe bronchiolitis if they were born before 37 weeks of gestation. The most common cause of bronchiolitis is the respiratory syncytial virus (RSV), but other high-risk infants and children include premature infants younger than 6 months, infants and children with underlying pulmonary or cardiac conditions.
Infant infants with RSV infection are more likely to get bronchiolitis with wheezing and difficulty breathing. Most adults and many older children with bronchiolitis begin as a mild upper respiratory infection, and within 2 to 3 days, the child develops more breathing problems, including wheezing.
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When to worry about bronchiolitis?
If your child has a cold getting worse, is eating less than usual, has a dry nappy for 12 hours or more, or shows signs of dehydration, they should seek an urgent GP appointment or call 111. Bronchiolitis is a common chest infection affecting babies and children under 2, usually mild and treatable at home. Early symptoms are similar to a cold, including sneezing, a runny nose, a cough, and a slightly high temperature of 38C.
Can you take a baby with bronchiolitis outside?
It is advised not to take your baby outdoors until they are fully recovered. If they experience feeding or breathing issues, contact your GP immediately. Reducing feed amounts and giving smaller, more frequent feeds may help. Paracetamol, like Calpol, can be given, but follow the instructions on the medicine leaflet. Consult a pharmacist for the appropriate dosage and dosage for your baby or child.
What are the long term effects of bronchiolitis?
Recurrent wheezing episodes in infants who have previously suffered from bronchiolitis may be precipitated by viral infections and may respond to the same therapeutic modalities employed in children with asthma.
Who is at high risk for bronchiolitis?
Palivizumab prophylaxis aims to prevent bronchiolitis caused by RSV in patients who are particularly vulnerable. The American Academy of Pediatrics (AAP) sets strict criteria for eligible patients, including infants born before 29 weeks, those younger than 12 months at the start of the RSV season, those less than 32 weeks gestation with chronic lung disease, those less than 12-months old with hemodynamically significant congenital heart disease, children 12 months or younger with anatomic pulmonary disorders, immunocompromised children, and those with other comorbid genetic diseases. Differential diagnosis includes gastroesophageal reflux disease (GERD), congenital malformations, asthma, or foreign body aspiration.
Prognosis is uncertain, as only a small percentage of children with bronchiolitis develop asthma. A history of recurrent wheezing and a positive family history of asthma, allergies, and/or atopic dermatitis is believed to increase the risk of asthma in affected patients in the future.
What are the complications of severe bronchiolitis?
Bronchiolitis is a common condition primarily affecting young infants, with clinical manifestations being initially subtle. Infants may become increasingly fussy and have difficulty feeding during the 2 to 5-day incubation period. A low-grade fever, coryza, and congestion usually follow the incubation period. In older children and adults, the respiratory syncytial virus (RSV) infection is generally confined to the upper airway and does not progress further.
Over 2-5 days, RSV infection progresses from the upper to the lower respiratory tract, leading to cough, dyspnea, wheezing, and feeding difficulties. When brought to medical attention, the fever usually resolves. Severe cases progress to respiratory distress with tachypnea, nasal flaring, retractions, irritability, and possibly cyanosis.
What are the long term side effects of bronchitis?
Chronic bronchitis is a long-term inflammation of the bronchi, causing excessive mucus production and other changes. It is common among smokers and can lead to lung infections and episodes of acute bronchitis. To be considered chronic, a cough and mucus that lasts at least 3 months and occurs multiple times over 2 years is required. This type of bronchitis is more common among smokers and can cause difficulty breathing. Chronic bronchitis can also lead to narrowing and plugging of breathing tubes.
Can bronchiolitis lead to pneumonia?
If your child’s symptoms persist or worsen after a week, contact their healthcare provider. If they experience breathing difficulties, call emergency services or visit the emergency room immediately. Some children may develop asthma or pneumonia after bronchiolitis, and they can develop the infection multiple times due to the presence of various viruses. It is essential to consult a healthcare provider if your child experiences any of these symptoms.
What can bronchiolitis lead to?
Severe bronchiolitis can lead to complications such as low oxygen levels, breathing pauses, dehydration, and respiratory failure. If these occur, the child may need to be hospitalized, and a tube may be needed to help breathe until the infection improves. Prevention is crucial, as viruses that cause bronchiolitis spread from person to person. Washing hands often, especially before touching your baby, is essential, especially when you have a cold, flu, or other infectious illness. Wearing a face mask is also recommended for those with these illnesses.
How common is it for bronchitis to turn into pneumonia?
Pneumonia represents the most common complication of bronchitis, with a higher prevalence observed in individuals with a weakened immune system, those with recent illnesses, underlying health conditions, infants, and older adults.
Do babies grow out of bronchiolitis?
Bronchitis is a common cold caused by various strains of RSV, which can be infected multiple times by a child or other viruses. Older children and adults rarely develop bronchiolitis due to their mature lungs and immune systems. The virus causes cold-like symptoms or a mild cough without affecting the bronchioles. Babies grow out of bronchiolitis and should only experience milder symptoms if infected with similar viruses in the future. Bronchitis can easily spread between people through coughs, which release tiny droplets of moisture containing the virus.
These droplets can be breathed in by others or settled on surfaces, which can be infected by anyone touching the affected surfaces. Symptoms usually appear a few days after contact, and children can remain infectious for up to three weeks.
What is the survival rate for bronchiolitis?
Bronchiolitis is a prevalent lower respiratory tract infection in infants, leading to over 80 hospitalizations per year, with most cases occurring in children under 6 months. The severity of the disease is directly linked to the infant’s size and maturity. Between 1980 and 2000, the rate of hospitalization for bronchiolitis increased, particularly among children under 6 months. The risk of death is higher for children with congenital heart disease and chronic lung disease.
Respiratory syncytial virus (RSV) is responsible for 70 cases, increasing to 80 to 100 in winter epidemics. Each year, 1 to 2 children under 12 months are hospitalized for bronchiolitis, with only one death.
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