A passage from Medicinal Plants of the Western Mountain States:
The plant is also quite beneficial when used as an internal/external approach for shingles, a unilateral nerve infection caused by VZV (varicella zoster virus). When topically combined with Larrea oil (and Skullcap internally), the combination is thought of by some to be remarkable.
Author, Researcher, Clinician. Latest titles: Wild Edible Plants of Oklahoma, 2nd ed., Wild Edible Plants of Arizona, 2nd ed., and Wild Edible Plants of Arkansas, 2nd. ed.