What Is Yerba Santa Used for Today?
Yerba santa is often used for the treatment of the common cold , as well as chronic respiratory problems such as bronchitis and asthma . Unfortunately, there is no meaningful scientific evidence to indicate that it is effective. About the most that can be said scientifically is that one of its constituents, eriodictyol, might have mild expectorant properties. 1 Topical yerba santa has been recommended as a treatment for poison ivy.