What do I do to if I was caught throwing up and was charged with underage consumption and public intoxication?

A few weeks ago, I was sitting on a curb and throwing up. I looked up and a first-year bike cop was there. He immediately called for a squad car. When the car arrived and they asked me to breathe into a Breathalyzer. I refused, and then proceeded to enter a test of the eyes (follow finger with light shining in my eyes). While they were bringing me in, I stated that I believe I have been unknowingly drugged multiple times and asked to be taken to a hospital. Throughout all of this, I never heard or acknowledged any Miranda rights. I was brought into the station and was asked to take a Breathalyzer. I was told that this was to make sure I don't have to go to the emergency room. I asked if this is admissible in court. The jail officer answered no. I asked if I do I have to take this. She said that they can force me to blow into this. I blew a 13.7 and spent the night in the drunk tank. I threw up almost a dozen times in the cell and asked to see a doctor while in jail because I said I was coughing up blood. I saw a nurse who asked me what color the blood was and then went back to my cell. I was charged with public intoxication and underage consumption, and would like to fight the charges based on police negligence for not sending me to the hospital when I explicitly said I thought I had been drugged and on the basis of my 5th amendment rights were violated. I was offered pre-trial division including $500 fine, 4-3 hour classes, and 10 hours community service. I would like to fight this case and would like someone's two cents. Thank you.