Phase III Study to Evaluate the Efficacy and Safety of HOB-048 CR Tab. in Comparison With HOB-048 Syrup in Patients With Cough Due to Acute or Chronic Bronchitis

A Randomized, Double-blind, Multicenter, Active-controlled Phase III Study to Evaluate the Efficacy and Safety of Levotuss CR Tab. in Comparison With Levotuss Syrup in Patients With Cough Due to Acute or Chronic Bronchitis

A randomized, double-blind, multicenter, active-controlled phase III study to evaluate the efficacy and safety of Levotuss CR tab. in comparison with Levotuss syrup in patients with cough due to acute or chronic bronchitis

Inclusion Criteria:

• moderate, severe, very severe non-productive cough patients

Exclusion Criteria:

• Patients receiving a concomitant therapy