The resin rich leaf of Yerba Santa is soothing to the bronchi and lungs, quiets coughs and is a stimulating expectorant. It is anti-inflammatory to respiratory, urinary and gastrointestinal tracts.
It is used to treat chronic bronchitis and inflammation of the lungs; coughs with abundant phlegm, and asthma. Especially recommended in dry coughs and dry conditions of the respiratory membranes. Also for chronic inflammation of the urinary tract, especially with excessive mucous discharge and for excessive stomach and intestinal mucous.
A ready-made cough syrup can be made by mixing drops in a tablespoon of honey or maple syrup.