Hello I Am A 31 Year Old Woman Who Has

Hello I am a 31 year old woman who has been taking the tablets pristiq & endedp for a year now and lately I have been going to the toilet more than normal. Both for number 1 & number 2 and have been feeling a burning sensation on my bottom area these last two days. I also constantly have the urges to drink and eat a lot and its getting beyond control :(. I don't know what to do