Unfortunately, we cannot guarantee that you will not feel sick to your stomach after surgery. Nausea after surgery is due to many factors. Some of these factors include your age or gender, anxiety level, reaction to anesthesia medications and the length of surgery. With new methods of anesthesia care and new anti-nausea medications now available, the chance that you will feel nauseous is much lower than it has been in the past. However, if it occurs, you will be offered medication to treat the nausea.