hello i had gone through your question and i can understand your concern you are right, antidepressant causes weight gain by various mechanism you can reduce your weight by following these guidelines strictly follow your schedule of exercise and diet control don t skip the meal small and frequent feeding 3 meals and 3 snacks in between avoid carbonated drinks fatty and junk food have well cooked home made food more of boiled vegetables and salads have plenty of fluids lukewarm water and fresh juices 2 to 3 liters a day Have dietary fibers in diet to keep the colon healthy i hope you find my response will be informative and helpful please feel free to ask for further clarifications i will be happy to help you wishing you a very good health Regards