The invention relates to the fields of medicines and
pharmacology, in particular to a
medicine for treating
postherpetic neuralgia and a preparation method of the
medicine. On the basis of the theory of
traditional Chinese medicine and the latest pharmaceutical research achievement and through the utilization of modern technological means, the
medicine is prepared into an oral preparation, preferably into capsules, tablets and granules, from radix dipsaci, herba polygoni perfoliati,
panax notoginseng, garlic, rhizoma ligustici wallichii, rhizoma curcumae longae, katsumade galangal seed, radix aucklandiae, diverse wormwood
herb, amaranthus viridis,
flos carthami, fructus amomi, lalang grass
rhizome, sweet broomwort
herb, folium hibisci, rhizoma paridis and the like. Pharmacodynamic experiment researches show that the medicine provided by the invention has an ideal
inhibitory effect on PHN, and the medicine provided by the invention is convenient to use, good in safety and free from
drug dependency; the medicine, which is completely prepared from natural
medicinal herbs, is free from any chemical additives, and the medicine, when taken for a long time, is safe and reliable; the tolerance and the compliance of patients can be improved to a great extent, so that a novel optional scheme is provided for the long-term treatment of the patients with the PHN; and the medicine can meet current clinical demands.