lupus, fibromylgia, rhumetoid arthritis and a pinch nerve

I'm a 40 yr old woman and diagnosed with lupus, fibromylgia, rhumetoid arthritis and now a pinch nerve (siatic nerve) and on many medications I am currently seeing a rhumetologist and a bone Dr and a GI Dr and probably going to see more I am currently on prenosone 10 mg once a day (I swell to much with higher doses and mobic once a day lisinopril 20mg once a day savella 50 mg in am and 12.5 mg a pm humira 40 mg 1 injection every 2 weeks plaquinel once am xanaflex 1-2 tablets at pm along with tramadol 3 times a day.As you can see I am very depressed because I'm not sure if getting any better or worse all I know is that I'm not 100 % normal person sometimes its hard to work and multi task I forget things and I don't know what to do? I'm a single mom of 4 kids the youngest just turned 9 yrs old and don't know if I should get them get for my disease? I'm proud of getting up everyday and providing for them and showing them that I can and will fight with my illness just need help and advice.