Hi, although new to this site maybe I can offer some thoughts that might lighten your being upset/angry. Doctors have to label and it gives them the guidelines they have for the label to help you (you know most of them have not experienced these feelings) and it keeps the insurance company paying as they must have a label. I have had more labels put on my problem that I have gotten confused - so now I label myself by the moment rather than being stuck in I have ________.

More importantly, you said it yourself, you never use to speak up -- & just keep quiet. Exactly what I use to do. So, people now see you react and not being used to it they will take the path of least resistance and say you have something wrong with you.. Give yourself time to practice reacting and speaking up you may be coming off too strong at first because you had held back so long and now you want to be heard. You must also give time to the people around you - I must say this too is hard because you may not see some hang around but you don't need these types of people. I'm being very honest and its with experience that I know this change of being able to say what you want now since it is so new to you you need to practice - You have the perfect opportunity: try not focusing that the person who called you was put up to it or even why -- if you are ready to talk -- don't worry why or what made them call - they called! Try it out - you can always say you have to go if you find yourself more angry when talking to them ----- I also put post it notes in front of me when doing things like this - with big words like "Watch your tone" "Be nice!" This works because it slows down the emotionally quick reaction that is usually not a pleasant one. Don't get me wrong, you are also allowed to get angry and voice your opinion but remember if you had kept quiet previously - you should know you will come off toooooo agressive at first. Also this may sound strange but I also put a mirror in front of me - it shows me how I look when like I am expressing my feelings - and your words are projecting this to the other person - down the road it will make you laugh as well as give you the opportunity to practice how you really want to respond instead of it all being a reaction.
Hope this helps