Yeast infection

I was on anyibiotics and it made me very vulnerable. So I know I have a yeast infection.... when it started I was itchy and uncomfortable but now I feel fine but I still have the curdle like discharge...when do I know it's all gone? I stopped having sex so that my bf doesn't get it. I'm super horny. Also can you have yeast infection in the ass too? I feel horrible because I also have a cold. Darn antibiotics...I feel sicker than before I started using it.