Clears heat, resolves toxicity, generates fluids, and improves the condition of the throat => for sore throat from either wind-heat upwardly assaulting the throat, or heat toxin collecting and clumping in the throat. The fresh herb is simmered until reduced to a paste and then used to treat dry and parched mouth and throat, accompanied by irritability, thirst, hoarse voice, and cough with sticky sputum.