An anal yeast infection is often characterized by persistent and intense anal itching. Your doctor will perform a quick physical exam to determine the cause, such as hemorrhoids or a yeast infection. Candida (yeast) skin infection candida is a fungus that frequently infects the skin, often in warm, moist areas like the buttocks and groin. A butt rash is common in babies, but adults can get them too. They have many causes, and sometimes the rash is accompanied by an itchy or painful feeling. Anal itching (pruritus ani) is due to irritation of the skin around the anus accompanied by a desire to scratch. The intensity of itching increases with moisture, pressure, and sitting. At its most intense, anal itching causes intolerable discomfort described as burning and soreness. Treatment of anal itching is to shower gently without directly. Anal yeast infections are commonly seen in those who have a lot of moisture in the anal area, some anal lubricants can almost provide yeast with food if there is any scent or sugar based product in them. Sperm if ejaculated into the anal canal, may cause a yeast infection in the anus,.