[header] How to treat a yeast infection naturally [title] Try a boric acid suppository. [step] Boric acid can be a good home treatment for a yeast infection, as it is antifungal and antiseptic. Boric acid has also been shown to prevent the growth of yeast. 
You can use boric acid in the form of a suppository capsule and apply it twice a day for one week into your vagina. [substeps] Never apply boric acid powder directly to your vagina or your skin, as it can irritate these areas.