Antibacterial Drugs Market, By Drug Class (Penicillins, Cephalosporins, Aminoglycosides, Tetracyclines, Macrolides, Fluoroquinolones, Sulfonamides, and Others), By Spectrum of Activity (Broad-spectrum Antibiotics and Narrow-spectrum Antibiotics), By Route of Administration (Oral, Topical, Intravenous, and Other Routes), By Application (Skin Infections, Respiratory Infections, Urinary Tract Infections, Septicemia, Ear Infections, Gastrointestinal Infections, and Other Applications), By Distribution Channel (Hospital Pharmacy, Retail Pharmacy, and Online Pharmacy), By Geography (North America, Latin America, Europe, Asia Pacific, Middle East & Africa)