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The cough may persist for several weeks afterward with the total duration of symptoms usually around three weeks. [2] [1] Some have symptoms for up to six weeks. [3] In more than 90% of cases, the cause is a viral infection. [1] These viruses may be spread through the air when people cough or by direct contact. [2]
Wheezes can occasionally be heard without a stethoscope. The child may also experience apnea, or brief pauses in breathing, but this can occur due to many conditions that are not just bronchiolitis. After the acute illness, it is common for the airways to remain sensitive for several weeks, leading to recurrent cough and wheeze. [1]
Another common sign of bronchitis is a cough lasting ten days to three weeks. If the cough lasts longer than a month, it may become chronic bronchitis. In addition, a fever may be present. Acute bronchitis is normally caused by a viral infection. Typically, these infections are rhinovirus, adenovirus, parainfluenza, or influenza. No specific ...
Cough medicines are not recommended for use in children due to a lack of evidence supporting effectiveness and the potential for harm. [ 62 ] [ 63 ] In 2009, Canada restricted the use of over-the-counter cough and cold medication in children six years and under due to concerns regarding risks and unproven benefits. [ 62 ]
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A dry cough is a persistent cough where no mucus is present; this can be a sign of an infection. A chronic wet cough is a cough where excess mucus is present; depending on the colour of the phlegm, bacterial infections may be present. [16] A stress cough is when the airways of the throat are blocked to the point that it causes a reflexive spasm.
For weeks, Son Vang (center) thought his persistent cough was a lingering flu symptom. Then, a chest x-ray revealed he was experiencing heart failure. Image Provided by Son Vang
Cough Sometimes Common (mild to moderate, hacking) [6] Common (dry cough, can be severe) Headache Uncommon Rare Common Fever Never Rare in adults, possible in children [6] Very common 37.8–38.9 °C (100–102 °F)(or higher in young children), lasting 3–4 days; may have chills Malaise Sometimes Sometimes Very common Fatigue, weakness Sometimes