Liposuction can cause dropsy in the surgical area. It is not something to be afraid of, since it is completely normal after the surgery. Dropsy ,occured right after the surgery, is not harmful for the patient. Because it is related to the defense mechanism which created by our body to adopt the new situation in the surgical area. But the reduction of swelling on the body, differs from the surgical area and the person. If the management of process goes right, the swelling will go down by time and the final result will come out. Do not try the rush the process and try to follow your doctor's instructions.