Aescin isolated from horse chestnut seed has been shown to effectively reduce post-surgical edema. Creams applied topically three or more times per day are also sometimes recommended by doctors. Horsetail contains several types of flavonoids that are believed to be responsible for this herb's diuretic action and that help account for its traditional use in reducing mild edema. The volatile oils in juniper cause an increase in urine volume and in this way can theoretically lessen edema. In either case, there is no clinical research that yet supports their use for people with edema.
Cleavers is one of numerous plants considered diuretic in ancient times.
It was therefore used to relieve edema and to promote urine formation during bladder infections. Meadowsweet was also used historically as a diuretic for persons with poor urinary flow. Refer to the individual herb for information about any side effects or interactions. For the convenience of the reader, the information in the table listing the supplements for particular conditions is also categorized. A comparison of the effectiveness of some anti-inflammatory drugs on thermal oedema.