Can you prevent a yeast infection?

Yes. Yeast infections can be caused if you keep your underwear on to long without changing it, or if you don't change you pads/tampons often enough. To prevent a yeast infection. Remember to change your underwear at least every day, and change your pads/tampons every 2-6 hrs. Signs of a yeast infection can be discolored discharge. Regular discharge is normal, but if it smells or is a strange color like yellow, green, or gray, it's not regular and there could be a problem.