You won’t need downtime, but the injection site will likely be tender, with mild bruising and swelling, for a week or two after your treatment. Applying ice or a cold compress intermittently after injections can help ease the swelling. Juvéderm lip filler is most prone to cause swelling, because lips have such a good blood supply, but it can happen anywhere the filler is injected. It’s normal for lumps and bumps to occur after filler, particularly when it’s placed in sensitive areas, like the lips. They can form during injection (the doctor will smooth them out), but they often become more noticeable after some of the swelling goes down. They usually resolve on their own, but you can help the process along by applying ice and massaging the area.