Question: how to treat yeast infection on dogs stomach?
Answer: Apple Cider Vinegar. Apple cider vinegar is a fungal fighting ingredient and works wonders for dogs. ... 
Kefir. Kefir originates from grains that are packed with minerals and vitamins. ... 
Hydrocortisone Cream. Hydrocortisone contains anti-inflammatory properties that can decrease swelling and inflammation. ... 
Oregano Oil. ... 
Pau d'Arco.