What Can Be Done For Excessive Weight Gain Despite Eating Very Less When Diagnosed With Anxiety And Depression?

Hello I m 34 female and been fighting anxiety since about 5yrs.old it turned to depression & anxiety after that . I didn t say anything till about 16 when I had an abortion so I was proscribed Zoloft and it wasn t for me it made me not wanting a hung from anyone even sex with my boyfriend even though I was aloud to have him stay the night while in high school mom bought condoms and spermicide lubricant. I ve always been insecure about my looks my whole life wondering how great it would be wonderful to be her ( any beautiful / well off financially women ) that I people watched, not like that though lol people in my presence. I m sooooo depressed and leg myself go. I was very good looking then but still wasn t happy. My looks changed during the years and I gained 100 pounds out of no where I was even eating less never a weight issue in my life always athletic till my back surgery. I didn t stuff myself I ate a lot less but continued to gain with no alcohol and maybe 600 calories a day pears or oranges mostly. I went to the endocrinologist and got on lasix nothing happened next visit diet pill and nothing my thyroid checked its fine . so my prolaction levels fine good diet not a lot of carbs or junk I ve been in a gym and took ballet tap pointe lyrical gymnastics hip hop and jazz since ages 11-23 then taught for a living all genre s. I even had my so 3weeeks early ( 37week) chechup then I gained 15pounds from the week before visit! I had my son that day due to preclampcia and in 9months went from 200pounds (really 187pds. Before preclamspcia) to 114pounds and I walked every day and took hydroxycut to help was it bad to do that? I stopped and stayed smaller heaviest was 125 I m 5 2 I had c4,c5 replaced due to car accident . Then 2 dequeryvains release surgeries on left wrist with carpel tunnel surgery on the hand for the 2nd dequeryvains release . I then had L4-5 replaced with a cage put around it. I had no connective tissue when my surgerion operated he said now he believes the pain I was in . I was also diagnosed with fibromyalgia when I was 20 and I m still in a lot of pain and carry and retain sooo much fluild and nothing is helping either not even starving myself only seating flood with fiber or super foods none of. Y meds had any weight gain for side effects even cymbalta a side effect has weight loss as one ? Help I don t like me I m nervous .,anxious over weight and need to have an orgasam I haven t had sex in 2years well any suggestions?