Herbal therapy, or Chinese herbs, include Chinese Patent Formulas, Chinese herbal decoctions, Herbal powders, and syrups. Chinese Patent Formulas are pre-made herbal formulas in tablet or pill form. Chinese herbal decoctions result in “teas” that are known for the strong taste and aroma and involve a lengthy preparation. Herbal powders can also make tea when mixed with hot water and are easier to prepare. Syrups are soothing preparations used for sore throats and coughs. Included in herbal therapy are compresses, liniments, plasters, and salves which are preparations used for external application.