Laser lipolysis is a very safe treatment with less associated risks and side effects that surgical liposuction, however, it is a minor surgical procedure so there are some risks involved.
The most common side effect after laser lipolysis is swelling and bruising but this is temporary and should subside within a couple of days. These side effects are usually worse if you have had suction-assisted laser lipolysis.
There is also a risk of infection so make sure you take the antibiotics prescribed to you buy your doctor and avoid drinking alcohol whilst taking them. To reduce the risk of any complications occurring, follow the post treatment advice given to you by your doctor.