Digestive problem and vaginal thrush

Hello, I really need help. Over a year now I have had this problem. My digestive is not functioning correclty. My stool are can be hard or with mucous. They are not regularly. I have been under chronic stress dr says it is stress. and gave stomach ulcer medicines but did not cure problem. for 5months or so have heavy vaginal thrush. This health affects my brain. I have put on weight on belly in particular tend to crave for carbayodrates tend to feels depresed when no real reason 2. Is this a candida yeast infection in stomach? Also I heard funny noises when going to bathroom...dr doesnt realy help says stomach is rumbling. but it is not that sounds like something is ripping apart.
Stools are now pale can be hard pellet at time or can be mucousy. How do I solve tihs problem it is affecting my whole life. someone please help will really appreacite.