I havnt been diagnosed with anything so far but I am seeing a professional soon and wanna know how I should describe it.

my symptoms over the last 3 years

1. suicidal thoughts, thoughts of hurting myself, or thinking i would be better off dead
2. lack of motivation 
3. always tired regardless of how much i sleep
4. constantly in a down mood
5. lack of appetite 
6. severe weight loss (dropped 26 pounds and still dropping)
7. severe anxiety (socially)
8. waking up in the middle of the night constantly (cant stay asleep)
9. feeling not good enough or worthless
10. loss of interest
11. crying
12. overthinking
13. headaches

to be honest, theres more but ill leave it there. This is constantly been how i feel for the last 3 years. Some days are better than others but i always feel it. Its affected my life in certain ways and its a big headache. I can barely leave my room. Sometimes I feel this way for long periods of time then randomly feel better for some time then feel it again a few months later and any big bad event can easily put me back in.