What herbs can be used as topical lotions for shingles?

Herpes zoster is a Western medical name for the disease, which is called snake string sores in Chinese medicine. It is not recommended to use external washing method of treatment, easy to make the blisters burst, aggravate the condition. It is recommended to take medication such as Taohong Siwu Tang, Dampness Removing Stomach Ling Tang, Longdian Diarrhea Liver Tang and other medications to treat the condition. The medication should be added or subtracted according to the condition under the guidance of the doctor.
Snake sores are clinically characterized by sudden onset, clustered blisters, often arranged in bands. Most of them are caused by internal injuries of emotions and feelings, liver meridian depression and heat, or feeling poisonous evil, dampness, heat, fire and toxicity embedded in the skin and other reasons. It is divided into three types: Qi stagnation and blood stasis, spleen deficiency and dampness, and liver meridian heat.
In the case of qi stagnation and blood stasis, it is common to see more pain after the rash is reduced or subsides, and the treatment is to regulate qi and activate blood circulation, clear the channels and stop the pain, and use Taohong Si Wu Tang (Four Substance Soup). The treatment is to regulate qi and activate blood circulation to relieve pain, and Tao Hong Si Wu Tang can be used.
Spleen deficiency and dampness syndrome is commonly seen in light-colored skin lesions with persistent pain. The treatment is to strengthen the spleen and promote dampness, detoxify and relieve pain, and can be used to remove dampness and stomach ling soup. It should not be used by those who are mainly suffering from fire (red face and eyes, mouth and tongue sores).
Liver meridian heat syndrome is characterized by bright red skin lesions, bitter mouth and dry throat, the treatment is to clear liver fire, detoxification and pain relief, and can be used in Gentian Liver Disease Soup. It should be used with caution for people with cold spleen and stomach and yin deficiency and hyperactivity (dizziness, tinnitus, insomnia and dreaminess).