Bronchiolitis

<h1 id="firstHeading" class="firstHeading" lang="en" ><b >Bronchiolitis</b>&nbsp;is inflammation of the&nbsp;<a href="http://en.wikipedia.org/wiki/Bronchiole" title="Bronchiole" >bronchioles</a>, the smallest air passages of the lungs. It usually occurs in children less than two years of age with the majority being aged between three and six months.<sup id="cite_ref-1" class="reference" ><a href="http://en.wikipedia.org/wiki/Bronchiolitis#cite_note-1" >[1]</a></sup>&nbsp;It presents with coughing, wheezing and&nbsp;<a href="http://en.wikipedia.org/wiki/Shortness_of_breath" title="Shortness of breath" class="mw-redirect" >shortness of breath</a>&nbsp;which can cause some children difficulty in feeding. This inflammation is usually caused by&nbsp;<a href="http://en.wikipedia.org/wiki/Respiratory_syncytial_virus" title="Respiratory syncytial virus" class="mw-redirect" >respiratory syncytial virus</a>&nbsp;(70% of cases)<sup id="cite_ref-Association_of_rhinovirus_infection_with_increased_disease_severity_in_acute_bronchiolitis_2-0" class="reference" ><a href="http://en.wikipedia.org/wiki/Bronchiolitis#cite_note-Association_of_rhinovirus_infection_with_increased_disease_severity_in_acute_bronchiolitis-2" >[2]</a></sup>&nbsp;and is much more common in the winter months. Treatment is typically supportive and may involve the use of&nbsp;<a href="http://en.wikipedia.org/wiki/Nebulized" title="Nebulized" class="mw-redirect" >nebulized</a>&nbsp;<a href="http://en.wikipedia.org/wiki/Epinephrine" title="Epinephrine" >epinephrine</a>&nbsp;or&nbsp;<a href="http://en.wikipedia.org/wiki/Hypertonic_saline" title="Hypertonic saline" class="mw-redirect" >hypertonic saline</a>. Bronchiolitis is common with up to one third of children being affected in their first year of life.</h1>