My internal medicine dr recently said She believes I have a permeability problem whereby my small capillaries in the skin do not move fluid out. She does know what causes it and she doesn’t know how to fix or treat this condition! I have chronic fluid build up in all areas but especially the extremities. It is getting worse and no dr I have seen over the years has helped me. No diet ,salt restriction,or exercise help. I just keep buying larger clothing and shoes. Pain is constantly with me . Anyone out there with knowledge of this ailment?