👉 Bronchorrachia is a medical condition that occurs when the phlegm or mucus of the trachea (the tube that carries air and food from your lungs to your mouth) gets trapped in the upper part of the chest, blocking the flow of air. This can lead to coughing, difficulty breathing, and other respiratory symptoms. Bronchorrhachia is a common condition in children, but it can also affect adults. It's important for children with bronchorrach