A child's persistent cough can be worrying for parents, particularly when it continues for several days or keeps returning. With changing weather, rising air pollution, and increased exposure to dust, inhaled chemicals, and smoke, children are increasingly exposed to factors that can irritate their respiratory system. Air pollution is not only giving a tough time to adults but also to children. So, children are particularly sensitive to air pollution because their lungs are still developing and they breathe faster than adults. Exposure to pollutants such as particulate matter, vehicle emissions, construction dust, and smoke can irritate the airways, trigger inflammation, and worsen existing respiratory conditions. At the same time, viral and bacterial infections can cause cough, fever, congestion and breathing difficulties. “Parents should not ignore a cough that persists, worsens or keeps returning in children. Pollution can irritate the airways and trigger coughing, wheezing and breathlessness, particularly in children who already have asthma or allergies. However, if the child also develops fever, rapid breathing, chest discomfort, poor feeding or unusual tiredness, an underlying respiratory infection needs to be considered. Pneumonia can sometimes begin with symptoms that resemble a common cold. A proper clinical examination is important to identify the cause rather than assuming that every cough is due to pollution,” said Dr. Tushar Parikh, Senior Consultant Neonatologist & Paediatrician, Motherhood Hospital, Kharadi, Pune. Dr Parikh further added, “The duration, pattern and accompanying symptoms of a cough can provide important clues. A cough associated with a viral infection may improve gradually, while pollution-related irritation may become worse after outdoor exposure or in areas with poor air quality. Tuberculosis is one of the common cause of cough continuing for more than 2 weeks, Chest Xray and few tests will provide diagnosis. However, these symptoms can overlap, and parents should avoid self-diagnosis. Children with persistent cough, repeated wheezing, or night-time coughing may need evaluation for conditions such as asthma or allergies. Parents should also watch for warning signs such as fast breathing, chest indrawing, bluish lips, difficulty speaking or feeding and unusual drowsiness. These symptoms require immediate medical attention. Depending on the child's condition, the doctor may recommend further investigations and appropriate treatment. Giving cough syrups, antibiotics or home remedies without medical advice can delay the correct diagnosis.” Dr Sanjay Nagarkar, Internal Medicine Expert, Apollo Spectra Hospital Pune, said rising air pollution is affecting lung health as pollutants can irritate the respiratory tract. In the last 15-20 days, approximately 5-6 adults aged 25-55, 3-4 senior citizens above 60, and 1-2 children belonging to the age group 5-10 have come to the OPD with symptoms such as persistent cough, throat irritation and even breathing difficulties. Repeated exposure to polluted air can lead to airway inflammation, worsen allergies, and also aggravate existing respiratory conditions like asthma and bronchitis. Many people may also experience disturbed sleep, fatigue, and reduced physical activity because of these symptoms and even struggle to do daily chores with ease. Early medical evaluation, limiting outdoor exposure during poor air quality and maintaining good respiratory hygiene will help everyone to keep the lungs healthy. So, people should remain indoors when the air quality is poor or wear a mask if they have to venture out of the house." “Checking local air quality levels, limiting outdoor activities when pollution levels are high, avoiding exposure to cigarette smoke, and ensuring children follow their recommended vaccination schedules. Maintaining good hand hygiene and encouraging adequate hydration can also support respiratory health. A persistent cough is not something parents should simply wait out, especially when it affects a child's sleep, feeding, or daily activities. Early consultation helps identify whether the problem is related to pollution, infection, or another respiratory condition. Timely treatment and preventive care can help protect children's developing lungs,” concluded Dr. Tushar.
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