However, a high grade fever with bronchitis is uncommon. Bronchitis occurs when the bronchi in the lungs become inflamed, leading to a persistent cough with or without mucus. If a fever occurs ...

“If your cough is not getting better after a week, it is a good idea to check in with your doctor,” says Eric Ascher, D.O., family medicine physician at Northwell Lenox Hill Hospital. But if your ...