that sounds like oral thrush and the anal itch is caused by yeast and bacteria and fungal you would need to go get and over the counter fungal and itch cream and for you mouth just regular warm water and salt and gargle for 7 days once in the morning and once at night for seven days and use the over the counter fungal and itch cream for seven days to once in the morning and once at night in the anal area and Im a MA and have been for 5 years i deal with this stuff on a regular basis and i hope it helps and if it doesnt you may need to see a doctor and get some antibiotics after you try this for 7 days