How can i maintain/ lose weight taking lexapro (escitalopram)? drug works great for me don't wanna quit. however i've gained 40 pounds since taking.

Less food, exercise: the things which are part of any plan are controlled food intake and regular physical exercise - discuss with your physician

Weight control: Eat healthfully. Try to eat at least 5 servings of vegetables & 4 of fruit per day. Increase nutritional fiber. Avoid refined sugar & junk carbohydrates. Avoid alcohol, sweetened juices, soda & caffeinated beverages. Aim for 7.5 to 8 hrs of sleep / night. Hydrate w at least 64 oz of water / day. Calories burned must > calories consumed. Do both cardio & weight training.