House Calls For Kids on Instagram: "That harsh, barking sound you’re hearing while your child is coughing? It may be what’s known as a croup cough. Croup is a common respiratory illness in young children that causes swelling around the vocal cords and windpipe. Because of that swelling, the cough often sounds seal-like or barky, and symptoms can be more noticeable at night. If your child’s cough sounds like this, it’s important to check in with your child’s doctor so they can guide you on the ne