Apdrop DX eye drops contain Moxifloxacin 0.5 %w/v and Dexamethasone 0.1 % w/v. Apdrops DX Eye Drop is used in the treatment of bacterial infections. Moxifloxacin is an antibiotic which prevents bacterial cells from dividing and repairing thereby killing the bacteria. This treats your eye infection. Dexamethasone is a steroid which blocks the production of certain chemical messengers (prostaglandins) that make the eye red swollen and itchy.