Lymphatic massage is frequently promoted as solving a number of health issues. It can have a beneficial effect in many cases and may help others. This often depends on just why you're going in for the massage.
When You Have Swelling From Surgery, an Illness, or an Injury
Lymphatic massage is most helpful for swelling after things like surgery or an injury. You'd want to get your regular doctor's OK to go ahead with the procedure to ensure it's the right time in your recovery and that the manipulations wouldn't harm an injury site.