how long does swelling last after lip injections
7 years ago by Celibre Medical Corporation. Yes, you can definitely have swelling after Restylane injections, especially in very sensitive areas like the lips. The swelling can last up to a week (especially for lips) and is improved with the use of ice packs. 7 years ago by Esta Kronberg, M.D. Yes, you can have swelling for 3 days from Restylane. You can also have bruising for a few days up to 10 days from Restylane.