Complications may include: discomfort, mild bruising and swelling. There can be a temporary hollowing of the temple, numbness in the forehead and scalp as well as infection and bleeding. There may be a shift in brow appearance and movement and hair loss in the temporal areas. With septoplasty and turbinectomy, a dryness and a whistling sound from the nose can occur after surgery. Lastly, migraines may continue as there is no guarantee that a surgical treatment will be 100% effective.
In fact, many migraine patients have multiple triggers (including hormones, smells, and stress) that my still cause peristent migraines. This fact explains why come patients may experience fewer, and less intensive migraines, but not have complete elimination of migraines.
Migraine Surgery @ Landis Plastic Surgery 