Azax 500 Tablet contains Azithromycin (500mg), a macrolide antibiotic used to treat various bacterial infections, including respiratory tract infections, skin infections, ear infections, and sexually transmitted infections. It works by inhibiting bacterial protein synthesis, thus stopping bacterial growth. Common side effects include nausea, vomiting, and diarrhea. It is typically taken once daily, with or without food, and it is important to complete the full course as prescribed to ensure the infection is fully treated and to prevent antibiotic resistance. Consult a healthcare provider for use during pregnancy or breastfeeding and inform them of any other medications being taken to avoid interactions.