Most people carry yeast around on or in their bodies, it’s only when they become to numerous that an infection arises. If you don’t know what to look for you can easily end up treating yourself for a yeast infection that you haven’t got. If you’ve had a yeast infection before you’ll recognise the symptoms as they begin to develop - now is the time to take action. If you have diabetes, good control of your blood sugar level will reduce the risk of developing thrush. Need more cause of yeast infections information?