TrizUltra + Keto is a non-stinging flush that can be used on cats, dogs, and horses. This antibacterial, anti-microbial and anti-fungal flush can be used as an ear cleanser or skin cleanser to treat infections caused by yeast and bacteria. It can also be used as a pretreatment before using a topical antibiotic treatment. Just apply 15-30 minutes prior to antibiotic treatment. Safe for long-term use.