Used primarily to treat bacterial infections, especially respiratory tract infections such as bronchitis and pneumonia caused by susceptible organisms. Effective against a range of Gram-positive and Gram-negative bacteria. Commonly prescribed when other antibiotics are not suitable due to resistance or patient-specific factors. Also used in the treatment of skin and soft tissue infections. Its long half-life allows for once-daily dosing, improving patient compliance. Not recommended for use in children or individuals with certain photosensitivity risks due to potential side effects.