As a Chinese herbal medicine, it can be taken with cold water, but the active ingredients of the brewing herbs are limited in precipitation, and the method of decoction is generally used.
The medicinal source for the cruciferous plant woad dried root, taste bitter, cold, efficacy for the clearing of heat and detoxification, cooling blood and throat, for the fever caused by the poison of warm epidemic sore throat, warm poison hair spot (warm poisonous evil invasion of the human body leading to skin spots, patches), mumps, rotting throat Dan Gua Sha, big head of the plague, dan venom (acute infectious disease, the skin can be seen to redden like paint), carbuncle, and so on.
In general, you can use cold water to brew the root to take, but the root in cold water is more difficult to dissolve, get the active ingredient leachate less, so the efficacy of the role is limited, it is more difficult to replace the medication to treat the disease, so if the condition requires the taking of the root is recommended to be decocted.
It should be noted that the body is weak and no real fire and heat toxicity should be avoided, the spleen and stomach cold people should be cautious. In order to rationalize the use of medication, should be in the doctor’s identification under the guidance of standardized use of Chinese herbs, do not apply on their own in order to avoid the obligation of the condition or cause damage to the organism.