Help! Feeling sick

Christine • If you're tired of starting over, stop giving up.
My partner and I have been having several rounds of sex for several days. I started to experience severe stomach cramps after we were done one night . I took medicine and they went away over time. I began smelling a strong odor when I urinated and it burned like hell. We began sex again another day. I began having gradual cramps and again taking medicine. Last night, we had sex again and I started feeling cramps around 4pm. By 6pm, I was in so much pain I could barely stand. I'm now having difficulty swallowing and I am throwing up. What should I do? I don't want my parents to take me to the doctor but I feel like I need to go. Suggestions ?