I have had a itchy, burning rash in my butt crack for about three weeks. It also has raised bumps on the red area. I have been treating it with triple antibiotic ointment, but havent had any luck.  I also just had a vaginal yeast infection.  Could this rash be caused by yeast.
Hello, Welcome to Chat Doctor, The symptoms which you are having is may be due to fungal infection, because the fungus are the normal comedians of the genital region, which will be kept under control by useful bacteria. Whenever there is an imbalance in the genital region the fungus can produce their symptoms. As you are previous bacterial infection which could have altered the genital environment and as lead to present symptoms. The fungus will multiply and sustain for longer period of time in moist and wet areas. For your symptoms I suggest you1. Maintain good hygiene of the genitals2. Keep it clean and Chat Doctor. 3. Topical antifungal agents4. Oral Antihistamines. These remedies will help you to control the symptoms and make you comfortable, if it is not coming down you have to consult the dermatologist for further opinion. Thank you.