I've been  struggling going out in public for quite a while now because I'm scared that people will judge me or think I look weird. This never really affected my life though, because I don't go out all that often anyway, and the people I have to see everyday (my classmates and family) are all people I'm on pretty good terms with at the very least. Recently though, I've gotten really scared around everyone in my life, even more so than strangers. My friends haven't changed and they're all still nice to me, but for some reason I now find myself on the verge of a breakdown, shaking and sweating because my friends don't talked to me for the first hour of class, or because I'm tired and have a nasty attitude around my mom. My siblig whose been struggling for a while has been doing really well lately and now I'm constantly scared that my family will like them more than me, and I'm drowning in guilt because of that too. I want nothing but the best for everyone around me, and I feel like I'd be a much better friend and person if I wasn't constantly scared and feeling like the word person in the world.

can I somewhat improve this without going to a psychologist or getting prescribed medicine? 

sorry for the ramble and sorry if this turned into more of me rambling on about my life. I just have pretty passionate dreams and I don't wanna do badly in school because of something like this. Thanks a lot!!