Find information on what it is, how you have it and when not to have it. Injuries can interrupt normal blood circulation and lymphatic flow and this can cause a build- up of fluid toxins which limits the immune system' s. Manual lymphatic drainage ( MLD) is a type of massage based on an unproven hypothesis that it will encourage the natural drainage of the lymph, which carries. It helps increase the rate of drainage of toxins and excess fluid from the body' s tissues. Therapy technique that assists the lymphatic system function by promoting variations in interstitial. E2770she manual lymphatic drainage.