I get how you feel, really! If i understand you, you are adult living with your parents still...they are in stressful and financial tight places as well..taking their stress out on you?! Also you have head tremors and i think you mean physically where your head moves..but if they happen to be inside your brain and you are taking antidepressants..well it might be them. Wean off with doctors knowledge and they might get worse as you wean where you say i need more again...but if you stick with it slowly and get them very low or stop completely the head tremors will stop. Took me over year but i got off them ..really creeping feeling things..many people experience this side effect but many doctors do not acknowledge this side effect.
Also have they checked you out to make sure neck problem is what is....there are few autoimmune diseases that are very much like fibro but not..polyrheumatica is one and i just found out i have spondylitis in my entire back, neck and hips..hurts and spine is crumbled mess. If you have teaching hospital near you..i go and get 2nd opinion if you can.
As to support group...i also do not have any near me. NADA...called all the lupus groups and finally got hold of woman who use to be head of one kind of near me...she said just had too many problems with time..snows here and passes close in winter ..point is i get it that it might not be option...look for fibro or autoimmune. Call your health dept for your city and county about what services they might have as to this. I also suggest going to counselor ..one who understands one of your diseases preferably . They are great support plus they should help you with your family problems as well.
There is game called SUPERBETTER online...was started by woman who hurt so much she could not get out of bed which is worse thing one can do. She go this at some level...slowly made this game with help of people who get chronic pain and disease..how it destroy your self esteem etc. So you might take a look at it.
I often feel as you do!! More often than not as of lately. I also was sick basically all my life too but compared to my brother i thought well i am not so bad! But compared to my healthy friends..well i was not well and only got worse as life got older BUT though i could not do my dream...i did find a job that i really enjoyed! I found doctors who truly supported me and were as much my friends as doctors. I knew they not let me die with out a fight...especially after my brother did die from autoimmune disease like mine.
SO my point is...do things that you enjoy, make you happy!! Try to get outside daily..sunlight and nature both are important to us both physically and emotionally so get out twenty minutes daily if you can. If you do set a goal like that and you do it..pat yourself on your back...praise yourself often!! SuperBetter game teaches you this!! Plus teaches you to get out slowly but you do and will reach your goals so you feel better about yourself.
Most of all.i hope you find something you enjoy...music, reading, art of some kind be it painting or knitting but find a creative outlet!! Takes you out of your body and you will feel wonderful. Just try to believe that life will have it ups and downs and it will not always feel this negative but only you can change it and make it better...that is hard part.
If you like getting out but walking hurts..as it can with me...i rode a horse to get high in the mountains! Point is there are always solutions! I say that having money sure makes it a lot easier but even millionaire can have bad health and money will not change it. BUT IT Helps Greatly...but there still are solutions, always. Journaling has helped me my entire life to find those solutions and might help you as well. Have fun doing it..always the library where you can get free books on it!
You might need to move out and find a part time job...SSI will retrain you in job that you can do ...you might start thinking of something like programming, webdesign, laboratory work..all kinds of things where you do not need to move much.
Most of all, you are not alone!! most if not all of us have felt same as you....many been in bad situations like you are now..i know i have been and it is just horrible but it does slowly get better! We are all here for you...you are not alone and others on any other support groups are there for you as well! feel free to write here as much as you need too..let it out and know that you are not alone.
I just hope you find something in your life that will give you joy every day...be it puppy or kitten..garden or a craft! Music or singing daily..just something that makes you feel joyful! I hope you find it soon and do it daily..maybe 3 or 4 times a day if you need too!! but you are not alone and life will improve!