@summithound: DIY dog ear Infection Kefir contains natural probiotics and beneficial bacteria that may help compete against the bad yeast and bacteria causing irritation in the ear. Since many dog ear infections are yeast-related, some owners use kefir to help restore balance instead of only drying the ear out. It also contains natural anti-inflammatory compounds that can soothe redness and itching. The key is using only a tiny amount and keeping the ear dry afterward, because too much moisture is what allows yeast to keep growing