It is important to know that all anesthesia carries a certain risk; however, anesthesia complications after skin tightening and liposuction are rare. The most common side effect you can expect from skin tightening is a certain amount of bruising and swelling after your procedure. This typically subsides after a few days, but the severity and duration varies from patient to patient. Cold compresses, elevation, and Ibuprofen can be used to alleviate any discomfort. Learn about other risks and side effects of skin tightening.