Is Tongzhi boiled in water effective in treating nodules?

Tongcao has the effect of clearing heat and promoting circulation of Qi, etc. Tongcao is often used with other medicines for the treatment of water-dampness internal stoppage (water-dampness stays in the body), and boiling water and drinking it with Tongcao alone has no therapeutic effect on nodules.
Tongcao is the dried stem pith of the plant Tongtuo in the family of Wu Jia. It is sweet and light in flavor, and slightly cold in nature. Attributed to the lung, stomach meridian. It can clear heat and diuretic, pass gas and lower milk. It can be used in damp-heat gonorrhea (increased urination, dripping and astringent pain), edema and urination, and lactation.
Tongcao with talc has the effect of clearing heat and inducing dampness. It can be used in treating headache and heaviness caused by damp-heat vaporization, chest congestion and stagnant urination.
If you have a deficiency of qi and yin, and there is no dampness or heat in the body, pregnant women should be cautious about using Tongcao. It is recommended that patients under the guidance of a doctor to use medication, do not take medication on their own, so as not to delay the condition.