can a vaginal yeast infecti9n spread to anus

I have a terrible yeast infection and my butt hole has really been hurting as well. and i laid down and took a photo of it and its extremley red around it! like bad. im kind of concerned wondering if it could have spread to my butt??? i took a diflucan 2 days ago and hasnt helped 😢 what can i do to help get rid of this