I have struggled with post nasal drip and a stuffy nose for years. An article says if the upper lip muscles are weak, it can cause the Depressor Septi to be loose. When the muscle is loose, it relaxes against the mucus membrane of the nose, causing all kinds of problems. The article said to flex the upper lip so that the depressor septi muscle stretches. It's AMAZING, once I stretch the muscle, ALL my problems go away! Could Botox freeze the muscle while it's stretched or should I have it cut?