Safety and Efficacy of Cefecin Tab. in Patients With Acute Sinusitis

Inclusion Criteria: * Patients diagnosed with sinusitis (accompanied with otitis media) at screening, and whose first symptoms occurred within the past 3 weeks * Symptoms or signs of acute sinusitis persist without improvement for 10 days after onset or symptoms or signs of acute sinusitis initially improve and then worsen within 10 days Exclusion Criteria: * Those who have a history of hypersensitivity to cephalosporin, penicillin, or other beta-lactam antibiotics * Those with a history of allergic rhinitis or other rhinitis * Those who have been diagnosed with sinusitis more than 3 times within a year * Have had or scheduled sinus surgery within 1 month * Creatinine Clearance \< 40 mL/min at screening * Those whose AST, ALT, and total bilirubin are more than 3 times the upper limit of normal at screening * Cystic fibrosis patients