Moksi 400mg tablet contains the active ingredient moxifloxacin, which belongs to the class of drugs known as fluoroquinolone antibiotics. It is used to treat bacterial infections of the respiratory tract, urinary tract, skin, and eyes. Moksi works by inhibiting the growth and reproduction of bacteria. It is available in tablet form and is usually taken once a day, with or without food, as directed by a healthcare provider. Common side effects of Moksi include nausea, vomiting, diarrhea, dizziness, and headache. It is important to finish the full course of treatment as prescribed, even if symptoms improve, to ensure that the infection is fully treated.