Depression medicine

Thank you for taking a minute to read this irrelevant post, but after struggling with depression since I was 16 I finally found the courage to take my medicine that was prescribed to me for ptsd, ocd and depression. I have been so scared to take it mainly because I don't want to rely on medicine to make me happy but I refuse to live a negative life every single day. I am also scared of the side effects. This is coming from someone who fights off a migraine rather then taking some medicine to help. My mother was addicted to pills on and off my whole life so I think my situation has a lot to do with that. Anyhow, has anyone ever taken Zoloft? I started off on 25mg even though the capsules are 50mg. Just want to ease into it. Has it truly helped anyone?