*Edit: I checked some of the stuff more out in detail. While some concepts on this are valid and backed up by sience, others like RSD are not. Use this as a springboard for learning, not as a valid source in itself. Yes it says so in the corner already. But spelling it out might help.
People are more complicated then a diagram from the internet. Never forget that.
I've always felt strongly identified with parts of the autism and ADHD symptoms but not with all of either so I always assumed I was just self-diagnosing or was simply a bit too close with both spectrums without fully being into either or something like that. It's hard to discern also because I've been depressed for some time and I'm asexual so sometimes I just attribute some of my non-typical traits to that.
But in the last 5 years I feel like I'm deteriorating at a growing rate and doing even the smallest things is incredibly hard for me, even things that I used to like like reading or playing videogames, not to say things like working or intense socializing. I know that getting an official diagnosis is the way to go but I'm in South America where the infrastructure/system for all this is even lesser than in Europe/USA and I'm broke anyways. My current goal is to work to get enough money to survive and get the diagnosis, even if it feels like am working at 15% capacity.
In the meantime, does anyone know of some kind of scientific test or resource that might help me clear my mind in regards to what I am/have? I promise I'll get an official diagnosis as soon as I can but I feel like even identifying that I probably have a ton of ADHD or whatever it is and getting some commonly-held tips about my particular condition could help me lots right now.
Shot in the dark, not a doctor yadda yadda
Sounds like it could be burnout. (not only workaholics can get one) You can try some mitigation strategies for that and see if they help you.
In fact, autistic burnout is a thing that can happen to autistic folks (as opposed to occupational burnout)