Question: how to treat a severe yeast infection at home?
Answer: Over-the-counter treatments. Antifungal treatments in the form of creams or pessaries can be purchased over the counter to treat yeast infections. ... 
Boric acid. Vaginal boric acid capsules can work for women with a yeast infection. ... 
Tea tree oil. ... 
Probiotic supplements. ... 
Natural yogurt. ... 
Coconut oil. ... 
Garlic. ... 
Oil of oregano.