1 If the smelly ear is due to ear mites you need to clean the thick accumulated ear wax. You can do so using 0.1% ivermectin, which kills the mites.  The water retained in your dogâs ears after swimming or bathing can be a source of bacteria and yeast infections.
And treatment is simple. Most yeast infections are caused by a type of yeast called Candida albicans. A healthy vagina has many bacteria and a small number of yeast cells. The most common bacteria, Lactobacillus acidophilus, help keep other organisms-like the yeast-under control.
The Basics. Yeast Infection. What it is: A fungus called Candida albicans, which lives in the vagina as well as in the mouth and digestive tract and on the skin. Most of the time, it stays in check. But when thereâs an overgrowth of the fungus down there, a yeast infection flares up.