Excerpted from Bensky: Chinese Herbal Medicine Materia Medica, 3rd ed.

• Clears and disseminates Lung qi:  for sore throat, hoarseness, phlegm-heat cough, and constrained Lung qi.  Used alone as a tea for hoarseness.*
• Moistens the Intestines and unblocks the bowels:  for mild to moderate constipation due to heat clumping in the Intestines, often with concurrent headache, red eyes, and fever.  Can be used alone for mild cases.*
• Encourages the expression of rashes:  used adjunctively, as an external wash, for incomplete expression of rashes.*