Hello Motoko353, along with RT can I welcome you to the forums.
Can I suggest you go back to your GP and have your medication reviewed because if it's affecting your sex drive then you won't be able to concentrate on the issues you need help with.
I had the same problem a long time ago so my doctor immediately stopped prescribing that particular medication and started me on a new one.
Kids Helpline is free 1800 55 1800 or you can google them for information about a webchat service, and please let us know how you go.
This site has people who have struggled through any type of depression and are happy to try and help you.