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.
What Causes Vaginal Yeast Infections? Having small amounts of Candida on the skin and inside the mouth, digestive tract, and vagina is normal. A healthy immune system and some good bacteria keep the amount in a person's body under control. But yeast in the vagina can sometimes overgrow and lead to symptoms of a yeast infection.