nausea/vomiting
"I just had a major spine surgery (10-level spinal fusion with rods and screws) to fix my scoliosis. I was under general anesthesia for 5 hours. I'm almost 3 weeks post-op now, and this nausea medicine has been a lifesaver since day 1. I don't know if my problems are still from anesthesia, or from the post-op pain medicines but this nausea is awful and promethazine takes it right out. (Just be willing to nap)."