Uses :- Used for the treatment of bacterial infection and inflammation of the eye, Moxifloxacin+Dexamethasone Ophthalmic Drops are used in the treatment of Bacterial eye infections. Moxifloxacin is an antibiotic. It prevents bacterial cells from dividing and repairing, thereby killing the bacteria. This treats your infection. Dexamethasone is a steroid. It blocks the production of certain chemical messengers that cause redness, swelling, and itching.