pierre,

I suggest you stay away for any general anesthesia until you are symptoms free for a few months. Some PCS sufferers also struggle with long airline flights, likely due to the altitude issues, even in a pressurized cabin.

As Sarah said, read the Vitamins sticky at the top. 20 sounds awful young for cosmetic surgery.

Fortunately, you are very early in your recovery. Most will spontaneously recover within 6 weeks. It will be a big help to get good rest, good nutrition and avoid emotional, physical and chemical stressors. You may also have a neck injury that is making your symptoms much worse. Icing the upper neck is important to help reduce inflammation caused by these subtle upper neck injuries and strains.