Maybe you've noticed cracking and redness at the corners of your mouth that won't go away or white patches inside your mouth. These are signs and symptoms of fungal infection—also known as oral thrush—on your lips or mouth. Fungal infection is caused by an overgrowth of yeast—Candida—in the mouth. But it isn't as scary as it sounds! Sometimes all you need is to identify what is causing it and get a prescription for anti-fungal medication. Learn more about lip fungus, how to recognize it, and how to talk to your primary care physician and dentist.
