Laziness & Fatigue. What will happen?

Dear Doctor! From last few month I am feeling laziness and sleeping all the time, little shortness of breath. I was undergoing the treatment and all deficiency like VitD, VitB12, Sugar, TMT & Thyroid all report are normal now (there was deficiency of VitD & VitB12 with allergy) doctor has advised now to take Tryptomer10 every night for 2 month. I want to know that it is okay to go with Antidepressant Medicine, suppose if I will be addicted to the medicine what will happen??? Also, I know that if you are in depression you should do the treatment but also I know few people that they are addicted to Antidepressant Medicine, seriously they can't live without Antidepressant Medicine now. Very confused please guide me. My age 30years, weight 74Kgs, height 5.7, nature of job Sales & Marketing. Looking forward for best guidance.