A yeast infection, also known as Candida, is basically caused by a group of microscopic fungi or yeast called Candida albicans. It generally affects the vaginal area but can also develop around dentures, under the breasts, lower abdomen, nail . You aren't just limited to an antifungal cream when it comes to treating yeast infections. You may already have some of these home remedies for vaginal yeast infections sitting at home, waiting to be used! What Is a Vaginal Yeast Infection? The human body is home to millions of yeast organisms, many of which are considered “good” as far as our health is concerned.