Mar 12, · Croup in adults, as in children, is highly contagious. One must take all precautions to avoid spreading the illness as it can lead to serious complications for some adults. What Is Croup? The medical term for croup is laryngotracheobronchitis. This disease directly affects the lungs, the larynx (voice box), and the trachea (wind pipe). Aug 22, · Croup is a contagious condition that tends to only affect children. Most cases are caused by a virus. While a child can pass the virus to an adult, the virus usually doesn’t affect adults the same.
Sep 09, · Croup is very contagious. It is spread by airborne droplets usually from an infected child to another child or adult. Croup viruses can be transferred to pregnant women, but the viruses that cause croup should not affect the fetus. However, pregnant women may have more serious symptoms with croup than non-pregnant women. Oct 12, · Croup is usually caused by a contagious virus, such as a parainfluenza virus. These viruses can spread if you breathe in air droplets when an infected person coughs or sneezes. The droplets can Author: Julie Marks.