If the sequelae of herpes zoster belongs to the syndrome of qi stagnation and blood stasis, with symptoms such as localized tingling and dark purple tongue, taking Pain Relief Ru Shen Tang can generally have a certain effect, please follow the doctor’s instructions for the specific use of the drug. Herpes zoster belongs to the category of “snake sores” in traditional Chinese medicine, which can be seen in liver meridian heat, spleen deficiency and dampness, qi stagnation and blood stasis. In the case of qi stagnation and blood stasis, the symptoms include localized skin tingling after the rash subsides, prolonged pain lasting for several months, radiating to nearby areas, fidgeting, and a dark purple tongue, etc. The treatment should be to regulate qi and activate blood circulation, and to clear the channels to relieve pain. Pain Relieving Ru Shen Tang, from Surgery Qi Xuan, consists of peach kernel, soapberry, atractylodes macrocephala, antifungal, angelica root, gentiana root, Macrophyllum macrophyllum, cypress bark, ze diarrhea, betel nut, ripe rhubarb and so on, which has the efficacy of dispelling wind and clearing away heat, inducing diuresis, promoting blood circulation, lubricating the intestines and laxative. Note: Not recommended for pregnant women; contains rhubarb and should not be taken for a long period of time. Therefore, if snake sores are caused by Qi stagnation and blood stasis, taking Pain Relieving Ru Shen Tang is generally effective, but it is recommended to add or subtract herbs based on the original formula according to the condition. If symptoms such as snake sores occur, please consult a doctor in time for diagnosis and treatment.