Nov 28, - Thrush is a yeast infection in the mouth, and it's most common in newborns and toddlers. Here's a look at some home remedies you could try to treat it. make sure that you clean not only your teeth, but your tongue as well. Jun 1, - How can oral thrush be prevented? Practice good oral hygiene by brushing your teeth. Also floss daily. Rinse out your mouth after using a corticosteroid inhaler. Add yogurt to your diet whenever you take prescribed antibiotics. Promptly treat a vaginal yeast infection, especially if you're pregnant.Esophageal Thrush (Candida · How Do You Get Thrush? · Bad Taste in Mouth.