A cough is a common symptom of illness. Although coughs often sound bad, keep in mind that coughing is a good reflex that clears out the airways in the lungs and protects your child from getting pneumonia.
Your child may have a dry and hacking type of cough. Or your child may have a wet cough and cough up a lot of mucus. When your child continuously coughs for more than 5 minutes, it is called a coughing spasm.
Most coughs are caused by a viral infection. An infection of the trachea (windpipe) is called tracheitis. An infection of the bronchi (larger air passages in the lungs) is called bronchitis. Most children get such a viral infection a couple of times a year as part of a cold. These infections are usually not serious.
Usually bronchitis causes a dry tickly cough that lasts 2 to 3 weeks. Sometimes the cough becomes loose (wet) for a few days, and your child coughs up a lot of phlegm (mucus). This is usually a sign that the end of the illness is near.
Cough drops: Most coughs in children over age 6 years can be controlled by sucking on cough drops. The cough drops coat the irritated throat. If cough drops are not available, you can use hard candy.
Homemade cough syrup: For children over 1 year old use 1/2 to 1 teaspoon of honey. The honey thins the secretions and loosens the cough. A recent study showed it was more effective at reducing coughing than OTC cough syrup containing dextromethorphan (DM). Caution: Avoid honey until 1 year old.
Warm liquids for coughing spasms: Warm liquids usually relax the airway and loosen up the mucus. Start with warm lemonade, warm apple juice, or warm herbal tea. (Avoid this if your child is less than 4 months old.)
Cough medicines are not as helpful as honey. They should not be given to children under 4 years old because they can cause serious side effects. In general, you should not give these medicines to children. Coughing helps protect the lungs by clearing out germs.
Encourage your child to drink adequate fluids to prevent dehydration. This will also loosen the phlegm in the airway.
Dry air tends to make coughs worse. Use a humidifier in your child's bedroom if your home is dry.
Gym and exercise may trigger coughing spasms when children have bronchitis. If so, they should avoid such physical activity temporarily.
Don't let anyone smoke around your child.
Antihistamines, decongestants, and fever medicines are found in many cough syrups. There is no proof that these ingredients will help your child's cough, and the antihistamines may make your child sleepy. Expectorants are of unproven value but harmless. Cough and cold medicines should never be given to children under 4 years of age. Stay with the simple home remedies mentioned above or talk with your provider.
Milk does not need to be eliminated from the diet. Restricting it improves the cough only if your child is allergic to milk.
Never stop breast-feeding because of a cough.
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