Thunder root has been used for centuries in Asia, where it is believed to promote cognition and is used to treat a variety of skin conditions, from hard-to-heal wounds to leprosy. Thunder root has also been used to treat high blood pressure, rheumatism, fever and nervous disorders. In traditional Indian herbalism (Aphi Yoda Medicine), Thunder Root is used as a topical paste for heart ailments, water retention, hoarseness of the throat, bronchitis, children's coughs, and skin problems. It has also been found that Lei Gong Root strengthens blood vessels and improves blood circulation.