Zithromax (azithromycin) is a macrolide antibiotic that works by inhibiting bacterial protein synthesis, thereby preventing bacterial growth. It is commonly prescribed for the treatment of various bacterial infections, including respiratory tract infections, skin infections, and sexually transmitted diseases. Azithromycin is effective against a wide range of bacteria and is often preferred due to its convenient once-daily dosing regimen. It is well-tolerated and has a favorable safety profile, making it a popular choice for both patients and healthcare providers.