Hey, i am a mental health nurse, i have felt like this myself exactly as you wrote it, so much crap affecting me in my home life and then working in inpatient adolescent CAMHS for many years and i put my life and soul into working there, loved it then i just couldnt cope any longer, my job was HARD, kids on the edge every day dealing with everything you can think of and i was a popular nurse with the kids, honestly it was great fun with them at times.
But then i couldnt function, life hit me like a ton of bricks, i could barely do my job any longer, i was tearful at work and having to hide it from everyone, then i fractured my toe and had to be off work for a couple months cos i couldnt walk. when it was time to go back to work and i went to GP for the last sick cert, they asked me if i needed anything else and i broke down told them i was in a bad way and i just couldnt go back yet. I was wearing my pjs inside my clothes and they could see i wasnt doing good. I knew my depressive feelings and burn out and everything was situational and i didnt want anti depressants because that would not solve the problems, but i needed time out from everything and my GP signed me off, i took 5 off months and i spent many day waking up laying on my bed all day and tears rolling down my face.
No one else really knew much, but i slowly started to feel less consumed and focused on drawing and painting art, meditating and listening to zen music etc, it helped and then i was lucky in a way as i was about to go back to work i bloody fractured my other toe on other foot and needed crutches so it gave me longer off work and to recover and find a bit of me again. That was in 2018/2019.. my body, my mind and my life needed that rest.. I was at complete breakdown point.
now things are good, i work in the community and im back to being the nurse i was before life knocked the wind out of me
Seek advice, get medication if it works for you. But dont leave things as they are, if you dont look after yourself work will become harder, you wont be able to focus and it will consume your energy amongst other things. Things can and will improve once you make the first step. You are not alone and you can get through this, but please reach out for help