Aug 18, · The initial symptoms of croup in adults are similar to that of a cold. The symptoms include a runny nose, fever, and cough. For the first two to four days the symptoms are mild, and later the person experiences harsh coughing fits, chest pain, low-grade fever, and hoarseness of tited.xyz: Irene Entila. Mar 12, · Croup in Adults Symptoms Croup can creep up on you as it usually begins with a regular cough, fever, and a runny nose, much like cold symptoms. The first two to four days is referred to as the incubation period where your symptoms are mild. Once the croup takes hold, you can expect.
Oct 12, · Symptoms are usually worse in adults than in children. A study looked at 11 cases of adult croup and compared them to 43 cases of child croup. Researchers found upper respiratory tract Author: Julie Marks. Nov 16, · Croup begins like a cold with cough, fever, and a runny nose. Your symptoms usually remain mild during the first 2 to 4 days. After that, the following symptoms get worse at night or when you lie down: A harsh or barking cough.