Water chestnut Eleocharis dulcis (Burm.f.) Trin. ex Hensch.

Clear lung heat, generate fluids and moisten the lungs, Resolve Phlegm and free the intestines, treat strangury and promote urination, disperse abscesses and resolve toxin, cool the blood and resolve dampness, promote digestion and relieve distension

Febrile disease with wasting-thirst, jaundice, red eyes, swollen and painful throat, red, hot, and scanty urine, externally contracted wind-heat, mass accumulation, and other disorders.