It is recommended not to take medicine for the time being. Generally speaking, you can get better by yourself, but it takes a long time, usually a few years later.
If you don't want to wait, there are many ways to repair scars, such as scar excision, scar softening needle, skin grafting, laser and so on. Choosing which treatment method needs to consider many factors, such as the position of the scar, the tension of the skin, the area of the scar, the color of the scar now, the touch and so on. As for which method is simple, it depends on your specific situation.