I don’t know what to do

I I tested positive for chlamydia but I was given medicine so it could go away. I was casually have sex with this guy and I trusted him a lot. Before him I was clean, and I tried to tell him about this and I asked him if he had sex with someone else while we were seeing each other but he is just leaving me on read. I don’t know what to do, he was always good to me and treated me well. We always had safe sex except the last time we had sex.