A very in-depth site about yeast infections.  This site goes over the basics but in detail, giving you more than just the basic information.  A great site if you're looking for a little more than just the basics about yeast infections.

 Vaginal Yeast Infections

This site is good, going over what a yeast infection is, what causes it, etc.  It also provides ways to avoid getting another yeast infection as well as treatment options and if your sexual partner should get tested or not.

Vaginal Yeast Infections

Goes over yeast infections in a way that kids can understand as well as parents.  Provides the basic information that answers the questions about yeast infections and how they are caused as well as how young girls can avoid them and why it is critical to see a doctor.

Vaginal Yeast Infections

Since this is from a medical encyclopedia, it's very technical in its information but also very informative.  This site provides illustrations on top of all the other information and is good if you're looking for a more technical site.

This site gives a lot of tips on how to prevent yeast infections and links to other parts of the site that explain yeast infections and other information, like what it is, how you can get one, etc.

Part of a larger site about yeast infections, this page goes over the FAQs of yeast infections.  The rest of the site goes on about the history of yeast infection and how different things, such as diabetes and pregnancy, may cause more frequent yeast infections.