Traxanox sodium is an orally available diuretic. Traxanox sodium enhances phagocytosis of yeast granules by mouse peritoneal macrophages or rat peritoneal polymorphonuclear leukocytes in vitro. Traxanox sodium restores inhibition of antibody production in BALB/c mice. Traxanox sodium is also effective in restoring antibody production in BALB/c mice. Traxanox sodium has been shown to enhance phagocytosis in BALB/c mice.