First off, you need to calm down. Read up a little bit about it on here and see if you can find any more information.
If your bladder infection persists, you need to go to a doctor and get on some antibiotics to break up the infection. Usually, they won't even give you antibiotics if you don't have any symptoms.
There aren't many things you can do to get rid of a bladder infection, but its not too embarrassing to talk about with your parents, its very common with everyone, even your age. Drinking cranberry juice is one of the only things I know to do to help. It basically cleans out your kidneys.
If you are more patient and speak maturely, you will get more responses here i'm sure. Try not to blow up, a lot of people won't respond to tantrums