Description:Bronchitis is an infection in the lungs caused by viruses or bacteria. The infectioncauses inflammation of the lung tissue. In general, bacterial and viral infection willcause dry cough or cough with phlegm. If untreated, bronchitis can turn into pneumonia.Symptoms:- cough- sputum- fever- chest painTreatment:The treatment is done is to take antibiotics as ceftin, augmentin, levaquin. In addition,patients are advised to drink fluids as much as possible, and stop smoking.