Had some bad side effects from this anesthetic as I have not had before. Was wondering if anyone else has had bad side effects from this anesthetic. If you are chemically sensitive, DO NOT USE THIS ANESTHESIA! ## What specific problems did you have? It's always possible to experience issues from any type of anesthetic and they can occur, whether or not someone is chemically sensitive. ## I had terrible side effects. Numbness in chin/jaw..nerve pain up into head intermittently for 2 months. I thought the dentist maybe hit a nerve when injecting me but I also think i had a horrible reaction to this anesthesia. I went to another dentist who gave me a homeopathic injection plus some cranial sacral work to mitigate side effects and I'm mostly better with some lingering numbness in ch...