(4 Pack) Zymox Enzymatic Pet Ear Solution with 0.5-Percent Hydrocortisone, 1.25-Ounce Pack of Four 1.25oz - Zymox Enzymatic Ear Solution with Non-invasive solution attacks pus and debris to destroy antibiotic-resistant microorganisms Highly effective in the treatment of bacterial, fungal, and yeast infections, including Staphylococcus, Pseudomonas, Proteus, and Malassezia Made in the USA