Extreme moodiness. While women tend to associate moodiness with the menstrual cycle, they often miss the fact that they might be suffering from a Candida infection. This is because Candida infections can also cause mood swings that are very similar to the menstrual cycle. Try to pay attention to your moods and see whether you experience irritability or feelings of depression with no obvious cause. If there is no obvious cause for certain feelings, you should look into the possibility that a Candida infection might be causing those feelings. Make a diary of the feelings you experience and show it to your doctor.