Description: azithromycin is a semi-synthetic macrolide antibiotic of the azalide class.mechanism of actionazithromycin binds to the 50s subunit of the 70s bacterial ribosomes, and therefore inhibits rna-dependent protein synthesis in bacterial cells.indication: for treatment of bacterial conjunctivitis caused by the following organisms: haemophilus influenza - staphylococcus aureus - streptococcus mitis group - streptococcus pneumoniae - cdc coryneform group gdose: 1 drop twice daily, 8-12 hours apart for the first 2 days then 1 drop once daily for the next five days