I have a fever and I think I have tonsillitis what should I do about it?

I woke up on friday with a really bad fever and of course I was freezing cold and my whole body hurt. I ended up having a headache most of the day but it wasn't excruciating pain or anything, and I had some foot pain near my heel. My back was also hurting a lot my upper back hurt a little but it was mostly my lower back. I wasn't real concerned about the back pain because my lower back has been hurting for about a month (probably from gymnastics), but my joints were all hurting and I felt worse than I ever have with a fever. I had trouble sleeping that night and woke up every 1-3 hours. At #am I gave up on trying to sleep and took a bath to see if that would help, which it didn't, but I did manage to kill 40 minutes. I finally went to sleep at around 5:30 or 6:00. When I woke up on Saturday I felt somewhat better. I wasn't freezing and I only stayed under blankets or wore long sleeves about half the time, but I also had new symptoms. My back pain had worsened but it had moved primarily to my upper back, and then instead of back pain I got pain on the back of my right shoulder. The shoulder pain was very sharp and painful and would come and go. My throat was also hurting some and my taste buds were off but I had a bit of an appetite (which was not the case of Friday) and I had a mild earache. Another thing (probably the worst) was the headaches. They were downright horrible (and I do have a pretty high pain tolerance). Every time I got up the head aches would get really bad, so bad that I would hold the sides of my head. The head aches were a little less severe if I got up slower, but not much and my neck started to hurt too, even from just turning my head and my foot pain from Friday had worsened. The sore throat got progressively worse throughout the day till it hurt to swallow and the joint pain was still there, and my joints were cracking more than usual (which they did on Friday too btw). By 8pm I was getting awful pain just from speaking and if I said more than a few words It would get so bad that I'd cover my mouth immediately after cause it hurt so bad. (Not sure why covering my mouth helped but it did.) Around 11 I could feel mucus developing in my throat. At around 1:30 am I showered and afterward I coughed up the mucus which was extremely disgusting. It was really thick, thick enough that I could have picked it up if I had wanted to, which I did not. It also looked like it had some blood in it, not a lot but I could definitely see red, it was thin though like ribbons, which seems strange to me. My throat felt a Little better after the mucus incident but it still feels like its being slashed by razors. I looked in my mouth and my tonsils look pretty swollen and red, I tried to take a pic for you guys but I was not successful, so I guess you'll just have to live with my description. You didn't really want to see that anyway, did you? I can't sleep again tonight, I knew it was hopeless so I gave up after an hour of trying. I am a little tired and I certainly would like to sleep but it just doesn't seem to be working. So far none of the symptoms have really changed since Saturday and my throat has never hurt like this before, although I often have pain swallowing when I'm sick, but its never been this painful. I did some research and found out I have pretty much all the symptoms of tonsillitis. If you actually read this whole thing, you're highly awesome. =] Sorry it was so long. Anyway its almost 5am and I'm waiting for some good answers. What do you think it is and what should I do about it, oh and any tips on how to get to sleep would be great?