Yes you need to see a dr. or a counselor. You need to have someone explain to you what is happening with yourself. Depression is a confusing disease with many symptoms. They can find someone for you to talk to and even prescribe medicines that will help you. You can even have them explain to your parents what is happening. You can get help and you can get better.
Keep posting here and read the information available on this site. It helps to understand what it is you are experiencing.
Good luck