You have not mentioned if you are a smoker. If so, pl stop smoking as the first and most imp step. Pl start taking inhalers like Seroflo/Formetrol. Take another inhaler called Tiova once a day and tab Doxyphyllin 400 mgm twice a day. A course of antibiotic like Augmentin
or Levoflox for 5 days should be taken. If symtoms are very bad take Prednisolone
20 mgm once a day for 5 days. Pantocid for gastritis
should be taken as gastritis can aggravate the symptoms. Chest physiotherapy
and deep breathing exercises are good for COPD patient.