Powerful enzyme formula that conveniently and effectively inhibits bacteria, fungus and yeast microbes that cause ear infections. Zymox® Otic is a No Clean, Once-A-Day treatment. Works against antibiotic-resistant microbes, including Staphylococcus Aureus, E. Coli, Streptococcus Pyogenes, Pseudomonas Aeruginosa, Streptococcus Intermedius, Corynebacterium Diphtheriae, Proteus Miabilis, Malasseziea Pachydermatis and Candida Albicans. Hydrocortisone provides relief from pain and itching.