Septoplasty is a surgical procedure to correct a digressed septum. Septoplasty straightens the septum which in turn allows for better airflow through the nose.
If the digressed septum blocks either of the nostrils, making it hard or even impossible to breathe through the nose, you may want to consider surgery. A crooked nose can also play home to a lot of harmful bacteria which in turn can be extremely harmful in the long run.
Discuss any ongoing medications with the doctor, Fasting may be required, heavy meals should be avoided before the surgery.
During septoplasty, General anesthetic may or may not be given to you depending on the surgeon, The idea is to straighten out and reposition the septum to the middle of the nose, for which the surgeon may have to cut and remove parts of the septum before instating them into the correct position. The last step is the repositioning of the mucous membrane.