Is it possible that the swelling from Kybella can actually stay forever and make your chin worse than before you did it ?

I have not heard of any cases of permanent swelling after Kybella.  I have had Kybella treatment myself, so I know about that swelling in the first day.  My receptionist had Kybella and said she felt "like a pelican with a fish".  But the swelling peaks by the third day, and a sense of humor gets you through.  I was back in the operating room 3 days after my treatment, and no one noticed.  I noticed that in myself and in my patients it takes 3-4 weeks to return to "baseline" or where you started, and then you will notice the area continuing to shrink and improve for 3-4 months.  So don't panic.  But don't hesitate to call your treating physician and even pop in for a quick visit if you need reassurance.  

Thank you for your question. Swelling, redness and bruising are minor side effects that subside within a few days. Your post-procedural experience is very common. Please remain patient and follow your surgeon's recovery instructions diligently. Always consult with a board certified facial plastic surgeon.

Best wishes,

Your physician should have pre-warned you. The bullfrog neck swelling is expected and normal. It can be disconcerting if you didn't expect it. Swelling subsides - along with any bruising - over a week or a bit longer. Drink lots of water and treat your neck tenderly.