Nourish the lungs, stop wheezing - cough with copious sputum. Eliminate dampness, stop discharges - leukorrhea, turbid/frequent urine, deficiency and damp heat patterns. Stabilize the lower burner - urinary frequency, incontinence, spermatorrhea.
Useful for damp heat patterns in the lower warmer, stones in the urine (damp-heat obstruction / painful urination). Eliminate fire toxins - sore throat, mumps. Useful in some cases of high fevers in infants.