There are certain things that you have to be careful with such as your sweat, ensuring the your groin area breaths, and wearing loose cotton clothing. If you can use talcum powder on your groin area as well to ensure that the area is always dry.
Going on a good diet is absolutely essential if you want to really get rid of candida. Taking the right vitamins can ensure you get the necessary nutrition as well as probiotics to make sure flora is well maintained.
Wash properly, maintain hygiene, take the right probiotics, eat the right food, and you should see some results. You should still apply the cream the doctor prescribes as well. The stress and anxiety will definitely not help it go away any sooner.
You can read the candida diet, detox and protocol book as it outlines everything.